Cita APA (7th ed.)

Hatch, E. M., & Lazaraton, A. (1991). The research manual: Design and statistics for applied linguistics (1a. ed.). Heinle & Heinle.

Cita Chicago (17th ed.)

Hatch, Evelyn Marcussen, i Anne Lazaraton. The Research Manual: Design and Statistics for Applied Linguistics. 1a. ed. Boston: Heinle & Heinle, 1991.

Cita MLA (9th ed.)

Hatch, Evelyn Marcussen, i Anne Lazaraton. The Research Manual: Design and Statistics for Applied Linguistics. 1a. ed. Heinle & Heinle, 1991.