Cita APA (7th ed.)

Willerman, M., Mc=MacNeely, S. L., & Koffman, E. C. (1991). Teachers helping teachers: Peer observation and assistance. Praeger.

Cita Chicago (17th ed.)

Willerman, Marvin, Sharon L. Mc=MacNeely, i Elaine Cooper Koffman. Teachers Helping Teachers: Peer Observation and Assistance. New York: Praeger, 1991.

Cita MLA (9th ed.)

Willerman, Marvin, et al. Teachers Helping Teachers: Peer Observation and Assistance. Praeger, 1991.