Tohutoro APA (7th ed.)

Sayok, A. K. (1996). Biology 1 (FR110) laboratory manual for first semester 1996. PNG University of Technology.

Tohutoru Kātū Chicago

Sayok, Alexander K. Biology 1 (FR110) Laboratory Manual for First Semester 1996. Lae: PNG University of Technology, 1996.

Tohutoro MLA

Sayok, Alexander K. Biology 1 (FR110) Laboratory Manual for First Semester 1996. PNG University of Technology, 1996.