Gaya APA
Schmidt, L., Centre, D, F, S. (2002).
Pedoman Penanganan Benih Tanaman Hutan Tropis Dan Sub Tropis 2000 .
Jakarta:
PT. Gramedia Indonesia.
Gaya MLA
Schmidt, Lars., Centre, Danida, Forest, Seed.
"Pedoman Penanganan Benih Tanaman Hutan Tropis Dan Sub Tropis 2000".
Jakarta:
PT. Gramedia Indonesia,
2002.
Text.