Peterson's. (2007). peterson's master toefl writing skills: Boost your toefl score! (First edition.). Peterson's.
Style de citation Chicago (17e éd.)Peterson's. Peterson's Master Toefl Writing Skills: Boost Your Toefl Score! First edition. Lawrenceville, NJ: Peterson's, 2007.
Style de citation MLA (9e éd.)Peterson's. Peterson's Master Toefl Writing Skills: Boost Your Toefl Score! First edition. Peterson's, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.