APA Style

Mangoendihardjo,Suprapto, . (1997). Seminar Nasional Pengedalian Hayati. Yogyakarta, 25-26 November 1996 . Yogyakarta: Pusat Studi Pengendalian Hayati(PSPH) Univ.Gadjah Mada.

MLA Style

Mangoendihardjo,Suprapto, . "Seminar Nasional Pengedalian Hayati. Yogyakarta, 25-26 November 1996". Yogyakarta: Pusat Studi Pengendalian Hayati(PSPH) Univ.Gadjah Mada, 1997. print.