APA Format
Pasaribu, G.B. ([1977]).
A nother appproach to good english / G.B. Pasaribu...[et.al]
. Jakarta :: [ s. n ],.
MLA Format
Pasaribu, G.B.
A nother appproach to good english / G.B. Pasaribu...[et.al]
. Jakarta :: [ s. n ],, [1977]
Chicago Format
Pasaribu, G.B. A nother appproach to good english / G.B. Pasaribu...[et.al]. Jakarta :: [ s. n ],, [1977].