Gaya APA
Osten, J., A., A., W., R., V., D. (1996).
STRATEGIES FOR SUCCESFUL WRITING (fourth edition).
USA:
Prentice-Hall, Inc.
Gaya MLA
Osten, James, A.Reinking,, Andrew, W.Hart,, Robert, Von, Der.
"STRATEGIES FOR SUCCESFUL WRITING".
fourth edition
USA:
Prentice-Hall, Inc,
1996.
Buku Inti.