Gaya APA

howell, R, G., Howell, P, L. (1979). Discipline in the Classroom : solving the teaching puzzle . Reston: Reston publishing company.

Gaya MLA

howell, Robert, G.., Howell, Patricia;l, L.. "Discipline in the Classroom : solving the teaching puzzle". Reston: Reston publishing company, 1979. Text.