APA引文

Spence, R. (1993). Rick Spence's Clipper 5.2 power programmer's guide. Sybex.

Chicago Style (17th ed.) Citation

Spence, Rick. Rick Spence's Clipper 5.2 Power Programmer's Guide. San Francisco: Sybex, 1993.

MLA引文

Spence, Rick. Rick Spence's Clipper 5.2 Power Programmer's Guide. Sybex, 1993.