Dyfyniad APA

Richek, M. A. (1989). The world of words: Vocabulary for college students (2nd ed.). Houghton.

Dyfyniad Arddull Chicago

Richek, Margaret Ann. The World of Words: Vocabulary for College Students. 2nd ed. Boston: Houghton, 1989.

Dyfyniad MLA

Richek, Margaret Ann. The World of Words: Vocabulary for College Students. 2nd ed. Houghton, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.