Gaya APA

Bumi & Langit. (1991). Sebastopol, CA: Pastel.

Gaya Chicago

Bumi & Langit. . Sebastopol, CA: Pastel, 1991. Text.

Gaya MLA

Bumi & Langit. . Sebastopol, CA: Pastel, 1991. Text.

Gaya Turabian

Bumi & Langit. Sebastopol, CA: Pastel, 1991. Print.