Gaya APA

Bertino, A., Valla, F. (1996). WAJAH BATU DI RUSHMORE (Seri Keajaiban Dunia) . Bogor: Alice Saputra Communications.

Gaya MLA

Bertino, Andree., Valla, Fredo. "WAJAH BATU DI RUSHMORE (Seri Keajaiban Dunia)". Bogor: Alice Saputra Communications, 1996. Text.