Gaya APA
NH, S, R, L, L, &, E. (2010).
Essentialis of English Grammar For Fluent English .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
NH, Slamet, Riyanto,, Leila, LH, &, Emilia.
"Essentialis of English Grammar For Fluent English".
Yogyakarta:
Pustaka Pelajar,
2010.
Text.