APA aipamena

IRWIN DAVID. (1998). MAKE YOUR BUSINESS GROW. INTERNATIONAL THOMSON BUSINESS PRESS.

Chicago Style aipamena

IRWIN DAVID. MAKE YOUR BUSINESS GROW. LONDON: INTERNATIONAL THOMSON BUSINESS PRESS, 1998.

MLA aipamena

IRWIN DAVID. MAKE YOUR BUSINESS GROW. INTERNATIONAL THOMSON BUSINESS PRESS, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.