Gaya APA

Manitto, P., Koensoemardiyah, . (1992). Biosintesis produk alami=biosynthesis of natural products . Semarang: IKIP Semarang Press.

Gaya MLA

Manitto, Paolo., Koensoemardiyah, . "Biosintesis produk alami=biosynthesis of natural products". Semarang: IKIP Semarang Press, 1992. Text.