APA Style

Mara, S.. (2001). Misteri Gelas Kembar . United Kingdom: Gramedia.

Chicago Style

Mara, S.. Misteri Gelas Kembar. United Kingdom: Gramedia, 2001. .

MLA Style

Mara, S.. Misteri Gelas Kembar. United Kingdom: Gramedia, 2001. .

Turabian Style

Mara, S.. Misteri Gelas Kembar. United Kingdom: Gramedia, 2001. .