Gaya APA

Rahardi, K., Suwandari, A, R. (2007). Business and secretarial gambits in english (cet.1). Yogyakarta: Penerbit Pinus.

Gaya MLA

Rahardi, Kunjana., Suwandari, Agustina, Reni. "Business and secretarial gambits in english". cet.1 Yogyakarta: Penerbit Pinus, 2007. SABIT CORNER.