Gaya APA
Tampubolon, B, D. (2013).
Pertanian Standar & Penilaian Kesesuaian/Biatna Dulbert Tampubolon .
Jakarta ::
PT. Indeks,.
Gaya MLA
Tampubolon, Biatna, Dulbert.
"Pertanian Standar & Penilaian Kesesuaian/Biatna Dulbert Tampubolon".
Jakarta ::
PT. Indeks,,
2013.
Text.