@book{217265,
	author = {PETERSON, Patricia Wilcox and C. Louis Noviatno},
	title = {Changing Times, Changing Tenses },
	publisher = {Gramedia Pustaka Utama},
	year = {1997},
	address = {Jakarta},
	edition = {2},
	note = {Kaset 1 buah Changing times, Changing Tenses}
}