Gaya APA

Leestma, S., Nyhoff, L. (1990). Pascal Programming & Problem Solving ; Programming and Problem Solving (III). New York: Macmillan Publishing Comp..

Gaya MLA

Leestma, Sanford., Nyhoff, Larry. "Pascal Programming & Problem Solving ; Programming and Problem Solving". III New York: Macmillan Publishing Comp., 1990. Textbook.