Gaya APA
Suwarto, ., Octavianty, Y.
(2014).
Top 15 Tanaman Perkebunan
(
Cet.1)
.
Jakarta:
Penebar Swadaya.
Gaya MLA
Suwarto, ., Octavianty, Yuke.
"Top 15 Tanaman Perkebunan".
Cet.1
Jakarta:
Penebar Swadaya,
2014.
Textbook.