Παραπομπή APA

Gulick, D. (1992). Encounters with chaos. McGraw-Hill.

Παραπομπή Chicago Style

Gulick, Denny. Encounters with Chaos. New York: McGraw-Hill, 1992.

Παραπομπή MLA

Gulick, Denny. Encounters with Chaos. McGraw-Hill, 1992.