Gaya APA
Saputra, Y, D., Chrisna, .
(2016).
Teknik budidaya Kakao
(
Cet. 2)
.
Yogyakarta:
Trans Idea Publishing.
Gaya MLA
Saputra, Yulianto, D.., Chrisna, .
"Teknik budidaya Kakao".
Cet. 2
Yogyakarta:
Trans Idea Publishing,
2016.
Textbook.