APA aipamena

SHELDON, S. (1988). Bila esok tiba jilid 1. Gramedia.

Chicago Style aipamena

SHELDON, Sidney. Bila Esok Tiba Jilid 1. Jakarta: Gramedia, 1988.

MLA aipamena

SHELDON, Sidney. Bila Esok Tiba Jilid 1. Gramedia, 1988.