Gaya APA

Hanggarini, Peni. (2007). English for undergraduate students of international relations / Peni Hanggarini (Cet.1). bandung: Humaniora.

Gaya Chicago

Hanggarini, Peni. English for undergraduate students of international relations / Peni Hanggarini. Cet.1 bandung: Humaniora, 2007. Text.

Gaya MLA

Hanggarini, Peni. English for undergraduate students of international relations / Peni Hanggarini. Cet.1 bandung: Humaniora, 2007. Text.

Gaya Turabian

Hanggarini, Peni. English for undergraduate students of international relations / Peni Hanggarini. Cet.1 bandung: Humaniora, 2007. Print.