Gaya APA

Merrett, F., Wheldall, K. (1949). Positive Teaching in the Primary School: Effective Classroom Behaviour Management . Greart Britain: Athenaeum.

Gaya MLA

Merrett, Frank., Wheldall, Kevin. "Positive Teaching in the Primary School: Effective Classroom Behaviour Management". Greart Britain: Athenaeum, 1949. Text.