APA aipamena

Beijnum, I. v. (2002). BGP. O'Reilly & Associates, Inc.

Chicago Style aipamena

Beijnum, Iljitsch van. BGP. Sebastopol, California: O'Reilly & Associates, Inc, 2002.

MLA aipamena

Beijnum, Iljitsch van. BGP. O'Reilly & Associates, Inc, 2002.