Gaya APA

Wirodikromo, S., Azar, B, S. (1992,1993). Fundamentals Of English Grammar (Ed. 2). New Jersey: Regents/Prentice Hall.

Gaya MLA

Wirodikromo, Sartono., Azar, Betty, Schrampfer. "Fundamentals Of English Grammar". Ed. 2 New Jersey: Regents/Prentice Hall, 1992,1993. Text.