Dyfyniad APA

Lewis, A. J., & Miel, A. (1972). Supervision for improved instruction: New challenges, new responses. Wadsworth Pub.

Dyfyniad Arddull Chicago

Lewis, Arthur J., and Alice Miel. Supervision for Improved Instruction: New Challenges, New Responses. Belmont, Calif: Wadsworth Pub, 1972.

Dyfyniad MLA

Lewis, Arthur J., and Alice Miel. Supervision for Improved Instruction: New Challenges, New Responses. Wadsworth Pub, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.