Perry, D. J. (1999). College vocabulary building (10th ed.). South-Western Pub.
Citazione stile Chigago Style (17a edizione)Perry, Devern J. College Vocabulary Building. 10th ed. Cincinnati, Ohio: South-Western Pub, 1999.
Citatione MLA (9a ed.)Perry, Devern J. College Vocabulary Building. 10th ed. South-Western Pub, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.