Παραπομπή σε μορφή APA (7η εκδ.)

HOFFMAN, W. H. (1988). West's federal taxation: Individual income taxes (1988annual edition). West Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

HOFFMAN, William H. West's Federal Taxation: Individual Income Taxes (1988annual Edition). St. Paul: West Publishing, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

HOFFMAN, William H. West's Federal Taxation: Individual Income Taxes (1988annual Edition). West Publishing, 1988.