Gaya APA
Semangun, H., Bonwell, C, C, A, J, A, E. (1991).
Active Learning: Creating Excitement In The Classroom .
Washington DC:
The George Washington University.
Gaya MLA
Semangun, Haryono., Bonwell, Charles, C., And, James, A., Eison.
"Active Learning: Creating Excitement In The Classroom".
Washington DC:
The George Washington University,
1991.
Text.