Gaya APA
Wilkinson, A, M. (1991).
The Scientist's handbook for writing papers and dissertation .
Englewood Cliffs, NJ:
Prentice Hall.
Gaya MLA
Wilkinson, Antoinette, Miele.
"The Scientist's handbook for writing papers and dissertation".
Englewood Cliffs, NJ:
Prentice Hall,
1991.
Text.