Gaya APA
Widyastuti, S.
(2007).
Peran Trichoderma Spp
.
Yogyakarta:
Gadjah Mada Universuty Press.
Gaya MLA
Widyastuti, SM.
"Peran Trichoderma Spp".
Yogyakarta:
Gadjah Mada Universuty Press,
2007.
Text.