Gaya APA
Curtis, T, E., Bidwell, W, E. (1977).
Curriculum and instruction for emerging adolescents .
Massachusetts:
Addison-Wesley Pub..
Gaya MLA
Curtis, Thomas, E.., Bidwell, Wilma, E..
"Curriculum and instruction for emerging adolescents".
Massachusetts:
Addison-Wesley Pub.,
1977.
Text.