Cita APA (7a ed.)

Endsley, W. R. (1980). Peer tutorial instruction. Educational Technology Publications.

Cita Chicago Style (17a ed.)

Endsley, William R. Peer Tutorial Instruction. Englewood Cliffs: Educational Technology Publications, 1980.

Cita MLA (9a ed.)

Endsley, William R. Peer Tutorial Instruction. Educational Technology Publications, 1980.