Παραπομπή σε μορφή APA (7η εκδ.)

Ventriglia, L. (1990). Ready for English: Comprehensive teacher's manual for all four levels. National Textbook.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ventriglia, Linda. Ready for English: Comprehensive Teacher's Manual for All Four Levels. Lincolnwood, Ill: National Textbook, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ventriglia, Linda. Ready for English: Comprehensive Teacher's Manual for All Four Levels. National Textbook, 1990.