APA-Zitierstil (7. Ausg.)

Richek, M. A. (2014). The world of words: Vocabulary for college success (9th ed.). Wadsworth Cengage Learning.

Chicago-Zitierstil (17. Ausg.)

Richek, Margaret Ann. The World of Words: Vocabulary for College Success. 9th ed. Australia: Wadsworth Cengage Learning, 2014.

MLA-Zitierstil (9. Ausg.)

Richek, Margaret Ann. The World of Words: Vocabulary for College Success. 9th ed. Wadsworth Cengage Learning, 2014.