Below is a list of basic references for RMO, INMO and IMO:

- Problem Primer for the Olympiad by C R Pranesachar, B J Venkatachala et al.
- Higher Algebra by Hall and Knight
- Higher Algebra by Bernard and Child
- Plane Trigonometry Part I by S L Loney
- A School Geometry by Hall and Stevens
- An Introduction to Number Theory by Niven and Zuckermann
- Elementary Number Theory by David M Burton
- Problem Solving Strategies by Arthur Engel
- Problems in Plane Geometry by Sharygin, MIR Publishers.
- Combinatorics — Schaum Series
- Mathematical Circles by Fomin et al.
- An Excursion in Mathematics by M R Modak
- Selected Problems and Theorems in Elementary Mathematics by Shklyarsky et al.
- International Mathematical Olympiads, 1959-77, S. L. Greitzer.
- International Mathematical Olympiads, 1978-85, M. S. Klamkin
- USA Mathematical Olympiads, 1972-85, M. S. Klamkin
- Mathematical Challenges for Olympiads, 2
^{nd}edition, C R Pranesachar et al. - An Excursion in Mathematics — M. R. Modak,
- College Geometry — Howard Eve.
- 1000 Mathematical Challenges — J N Kapur

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Nalin Pithwa