Gaya APA
Widyastuti, S. et al
(2005).
Patologi hutan
(
Cet.1)
.
liberti,Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Widyastuti, SM.. et al.
"Patologi hutan".
Cet.1
liberti,Yogyakarta:
Gadjah Mada University Press,
2005.
Textbook.