Gaya APA
Shew, P., Pincar, D. (1980).
Writing skills : a program for self-instruction (2nd ed).
Singapore:
McGraw-Hill.
Gaya MLA
Shew, Philip., Pincar, Debra.
"Writing skills : a program for self-instruction".
2nd ed
Singapore:
McGraw-Hill,
1980.
Text.