Gaya APA

Sukur, S, G., Puji, L, E. (2007). Comprehensive English Grammar [1]: for the Toefl Test [for Beginners] (Cet. 1.--). Yogyakarta: Indonesia Cerdas.

Gaya MLA

Sukur, Silvester, Goridus., Puji, Lisa, Esti. "Comprehensive English Grammar [1]: for the Toefl Test [for Beginners]". Cet. 1.-- Yogyakarta: Indonesia Cerdas, 2007. Text.