APA aipamena

ZEISS, T. (2000). NINE ESSENTIAL LAWS FOR BECOMING INFLUENTIAL.

Chicago Style aipamena

ZEISS, TONY. NINE ESSENTIAL LAWS FOR BECOMING INFLUENTIAL. 2000.

MLA aipamena

ZEISS, TONY. NINE ESSENTIAL LAWS FOR BECOMING INFLUENTIAL. 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.