Gaya APA

Corporation, P, T. (1996). Pro/ENGINEER Assembly Modeling User's Guide Release 17.0 (Release 17.0). Waltham, Massachusetts: Parametric Technology Corporation (PTC).

Gaya MLA

Corporation, Parametric, Technology. "Pro/ENGINEER Assembly Modeling User's Guide Release 17.0". Release 17.0 Waltham, Massachusetts: Parametric Technology Corporation (PTC), 1996. Text.