APA (7th ed.) Citation

Niffenengger, A., & Nimpoeno, I. D. (2007). Isteri sang penjelajah waktu. Gramedia.

Chicago Style (17th ed.) Citation

Niffenengger, Audrey, and Ingrid Dwijani Nimpoeno. Isteri Sang Penjelajah Waktu. Gramedia, 2007.

MLA (8th ed.) Citation

Niffenengger, Audrey, and Ingrid Dwijani Nimpoeno. Isteri Sang Penjelajah Waktu. Gramedia, 2007.

Warning: These citations may not always be 100% accurate.