APA aipamena

SHELDON, S. (1988). Bila esok tiba jilid 2. Gramedia.

Chicago Style aipamena

SHELDON, Sidney. Bila Esok Tiba Jilid 2. Jakarta: Gramedia, 1988.

MLA aipamena

SHELDON, Sidney. Bila Esok Tiba Jilid 2. Gramedia, 1988.