Gaya APA

Tjipto, B, W. (1995). Comparison of results of three different percoll gradient procedures in human sperm preparation : Research report of the specialization in medical andrology . Surabaya: School of Medicine Univ. Airlangga.

Gaya MLA

Tjipto, Bambang, Wasito. "Comparison of results of three different percoll gradient procedures in human sperm preparation : Research report of the specialization in medical andrology". Surabaya: School of Medicine Univ. Airlangga, 1995. print.