APA (7e ed.) Bronvermelding

Popkin, G. S., & Pike, A. H. (1981). Introduction to data processing (2nd ed.). Houghton Mifflin.

Chicago (17e ed.) Bronvermelding

Popkin, Gary S., en Arthur H. Pike. Introduction to Data Processing. 2nd ed. Boston: Houghton Mifflin, 1981.

MLA (9e ed.) Bronvermelding

Popkin, Gary S., en Arthur H. Pike. Introduction to Data Processing. 2nd ed. Houghton Mifflin, 1981.