Gaya APA
Strevens, Peter, English Language Services, Inc. (1971).
English 901 : A Basic Course (book 1, fourth printing).
New York:
The Mac Millan Company.
Gaya Chicago
Strevens, Peter, English Language Services, Inc.
English 901 : A Basic Course.
book 1, fourth printing
New York:
The Mac Millan Company,
1971.
Text.
Gaya MLA
Strevens, Peter, English Language Services, Inc.
English 901 : A Basic Course.
book 1, fourth printing
New York:
The Mac Millan Company,
1971.
Text.
Gaya Turabian
Strevens, Peter, English Language Services, Inc.
English 901 : A Basic Course.
book 1, fourth printing
New York:
The Mac Millan Company,
1971.
Print.