BATRA PRAMOD. (1996). SIMPLE WAYS TO BECOME A PROFESSIONAL SECRETARY. THINK INCORPORTED.
Chicago Style aipamenaBATRA PRAMOD. SIMPLE WAYS TO BECOME A PROFESSIONAL SECRETARY. NEW DELHI: THINK INCORPORTED, 1996.
MLA aipamenaBATRA PRAMOD. SIMPLE WAYS TO BECOME A PROFESSIONAL SECRETARY. THINK INCORPORTED, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.