Gaya APA

SM., W. 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.