Gaya APA

SYAMSUL, S, P., SHOMAD, R. (2012). Practical English Conversation (Cet. 1). Surabaya: Indah.

Gaya MLA

SYAMSUL, Senoprojo, PS., SHOMAD, Robith. "Practical English Conversation". Cet. 1 Surabaya: Indah, 2012. Text.