Παραπομπή σε μορφή APA (7η εκδ.)

Spears, R. A. (2000). NTC's American idioms dictionary: The most practical reference for the everyday expressions of contemporary American English (3rd ed.). NTC Pub. Group.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spears, Richard A. NTC's American Idioms Dictionary: The Most Practical Reference for the Everyday Expressions of Contemporary American English. 3rd ed. Chicago, Ill.: NTC Pub. Group, 2000.

Παραπομπή σε μορφή MLA (8th εκδ.)

Spears, Richard A. NTC's American Idioms Dictionary: The Most Practical Reference for the Everyday Expressions of Contemporary American English. 3rd ed. NTC Pub. Group, 2000.