APA引文

SPENCER, D. D., & SPENCER, D. D. (1982). Data Processing An Introduction/Donald D.spencer. A Bell & howell.

Chicago Style (17th ed.) Citation

SPENCER, Donald D., and Donald D. SPENCER. Data Processing An Introduction/Donald D.spencer. A Bell & howell, 1982.

MLA引文

SPENCER, Donald D., and Donald D. SPENCER. Data Processing An Introduction/Donald D.spencer. A Bell & howell, 1982.

警告：这些引文格式不一定是100％准确.