APA aipamena

BATRA PRAMOD. (1996). SIMPLE WAYS TO MAKE YOUR CUSTOMERS HAPPY. THINK INCORPORTED.

Chicago Style aipamena

BATRA PRAMOD. SIMPLE WAYS TO MAKE YOUR CUSTOMERS HAPPY. NEW DELHI: THINK INCORPORTED, 1996.

MLA aipamena

BATRA PRAMOD. SIMPLE WAYS TO MAKE YOUR CUSTOMERS HAPPY. THINK INCORPORTED, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.