Cita APA (7a ed.)

Hare, V. C., & Borchardt, K. M. (1984). Direct instruction of summarization skills. [s.n.].

Cita Chicago Style (17a ed.)

Hare, Victoria Chou, y Kathleen M. Borchardt. Direct Instruction of Summarization Skills. [S.l.]: [s.n.], 1984.

Cita MLA (9a ed.)

Hare, Victoria Chou, y Kathleen M. Borchardt. Direct Instruction of Summarization Skills. [s.n.], 1984.