Παραπομπή σε μορφή APA (7η εκδ.)

LOWIS DAVID. (1990). SECRETS OF LANGAUAGE OF SUCCESS: ACHIEVE IT ALL IN BUSINESS AND LIFE. CORGI BOOK.

Παραπομπή σε μορφή Chicago (17η εκδ.)

LOWIS DAVID. SECRETS OF LANGAUAGE OF SUCCESS: ACHIEVE IT ALL IN BUSINESS AND LIFE. LONDON: CORGI BOOK, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

LOWIS DAVID. SECRETS OF LANGAUAGE OF SUCCESS: ACHIEVE IT ALL IN BUSINESS AND LIFE. CORGI BOOK, 1990.