Gaya APA

Dineen, Jacqueline. (1994). Natural Energy . Jakarta: Watts Books.

Gaya Chicago

Dineen, Jacqueline. Natural Energy. Jakarta: Watts Books, 1994. Text.

Gaya MLA

Dineen, Jacqueline. Natural Energy. Jakarta: Watts Books, 1994. Text.

Gaya Turabian

Dineen, Jacqueline. Natural Energy. Jakarta: Watts Books, 1994. Print.