Gaya APA

Djojodihardjo, H., Molly, I, J, P. (1981). Wind Energy Systems (Ed. 1). Bandung: Penerbit Alumni.

Gaya MLA

Djojodihardjo, Harijono., Molly, Ing., Jens, Peter. "Wind Energy Systems". Ed. 1 Bandung: Penerbit Alumni, 1981. Text.