APA aipamena

BELL CHIP R. (1991). AT YOUR SERVICE: TRAINERS KIT+6. QUALITY RESOURCES.

Chicago Style aipamena

BELL CHIP R. AT YOUR SERVICE: TRAINERS KIT+6. NEW YORK: QUALITY RESOURCES, 1991.

MLA aipamena

BELL CHIP R. AT YOUR SERVICE: TRAINERS KIT+6. QUALITY RESOURCES, 1991.