Gaya APA
English Language Services, Inc.. (1970).
English 900 : A Basic Course (Workbook Two) (Fifth Printing, 1970).
New York:
The Macmillan Company.
Gaya Chicago
English Language Services, Inc..
English 900 : A Basic Course (Workbook Two).
Fifth Printing, 1970
New York:
The Macmillan Company,
1970.
Text.
Gaya MLA
English Language Services, Inc..
English 900 : A Basic Course (Workbook Two).
Fifth Printing, 1970
New York:
The Macmillan Company,
1970.
Text.
Gaya Turabian
English Language Services, Inc..
English 900 : A Basic Course (Workbook Two).
Fifth Printing, 1970
New York:
The Macmillan Company,
1970.
Print.