Gaya APA
English Language Service, Inc.. (1964).
English 900 : a basic course three .
America:
Collier Macmillan Internasional, Inc..
Gaya Chicago
English Language Service, Inc..
English 900 : a basic course three.
America:
Collier Macmillan Internasional, Inc.,
1964.
Text.
Gaya MLA
English Language Service, Inc..
English 900 : a basic course three.
America:
Collier Macmillan Internasional, Inc.,
1964.
Text.
Gaya Turabian
English Language Service, Inc..
English 900 : a basic course three.
America:
Collier Macmillan Internasional, Inc.,
1964.
Print.