Gaya APA

Rangkuti, Freddy. (2013). Customer service satisfication & call center berdasarkan ISO 9001 (Cet. 1). Jakarta: Gramedia.

Gaya Chicago

Rangkuti, Freddy. Customer service satisfication & call center berdasarkan ISO 9001. Cet. 1 Jakarta: Gramedia, 2013. Text.

Gaya MLA

Rangkuti, Freddy. Customer service satisfication & call center berdasarkan ISO 9001. Cet. 1 Jakarta: Gramedia, 2013. Text.

Gaya Turabian

Rangkuti, Freddy. Customer service satisfication & call center berdasarkan ISO 9001. Cet. 1 Jakarta: Gramedia, 2013. Print.