APA Style
Nugraha, T., Sunardi, D. (2010).
Energi Angin (1st edition).
Jakarta 12160, Indonesia:
PT. Pelangi Ilmu Nusantara.
MLA Style
Nugraha, Tutun., Sunardi, Didik.
"Energi Angin".
1st edition
Jakarta 12160, Indonesia:
PT. Pelangi Ilmu Nusantara,
2010.
Book.