APA citiranje

Krumm, R. (1987). Word perfect 4.2 power tools. Management Information Source, Inc.

Chicago Style (17th ed.) Citation

Krumm, Rob. Word Perfect 4.2 Power Tools. Oregon: Management Information Source, Inc, 1987.

MLA citiranje

Krumm, Rob. Word Perfect 4.2 Power Tools. Management Information Source, Inc, 1987.