APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.