APA Style

Hatch, L, Z, H, S, A. (). GMAT For Dummies 2021Book + 7 Practice Tests Online + Flashcards . : .

MLA Style

Hatch, Lisa, Zimmer, Hatch,, Scott, A.. "GMAT For Dummies 2021Book + 7 Practice Tests Online + Flashcards". : , . [electronic resource].