Gaya APA
Langan, John. (1986).
College writing skills with readings .
Singapore:
McGraw-Hill Book Co.; 1986.
Gaya Chicago
Langan, John.
College writing skills with readings.
Singapore:
McGraw-Hill Book Co.; 1986,
1986.
Text.
Gaya MLA
Langan, John.
College writing skills with readings.
Singapore:
McGraw-Hill Book Co.; 1986,
1986.
Text.
Gaya Turabian
Langan, John.
College writing skills with readings.
Singapore:
McGraw-Hill Book Co.; 1986,
1986.
Print.