Gaya APA

Smith, H, W., H., D, R. (2014). Pocket English Conversation (C . 1). Surabaya: Mahirsindo Utama.

Gaya MLA

Smith, Harry, W.., H., Drs., Rudy. "Pocket English Conversation". C . 1 Surabaya: Mahirsindo Utama, 2014. Text.