Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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