Andreescu, T., & Feng, Z. (2005). 103 trigonometry problems: From the training of the USA IMO team. Birkhäuser.
Style de citation Chicago (17e éd.)Andreescu, Titu, et Zuming Feng. 103 Trigonometry Problems: From the Training of the USA IMO Team. Boston: Birkhäuser, 2005.
Style de citation MLA (8e éd.)Andreescu, Titu, et Zuming Feng. 103 Trigonometry Problems: From the Training of the USA IMO Team. Birkhäuser, 2005.
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