Gaya APA

Yuniarti, R, S, D, E. (2012). Essential English for Vacational Schools . Solo: PT. Tiga Serangkai Pustaka Mandiri.

Gaya MLA

Yuniarti, Rudi, Sarjito, Dan, Endar. "Essential English for Vacational Schools". Solo: PT. Tiga Serangkai Pustaka Mandiri, 2012. Text.