APA

Lembo J. M., . (1969). The psychology of effective classroom instruction. Columbus, Ohio: C. E. Merrill Pub. Co.

Chicago

Lembo John M, . 1969. The psychology of effective classroom instruction. Columbus, Ohio: C. E. Merrill Pub. Co.

Harvard

Lembo J. M., . (1969). The psychology of effective classroom instruction. Columbus, Ohio: C. E. Merrill Pub. Co.

MLA

Lembo John M, . The psychology of effective classroom instruction. Columbus, Ohio: C. E. Merrill Pub. Co. 1969.