Cita APA

Casty, A., & Casty, A. (1971). Building writing skills: A programmed approach to sentences and paragraphs. Nueva York: Harcourt Brace Jovanovich.

Citación estilo Chicago

Casty, Alan, y Alan Casty. Building Writing Skills: A Programmed Approach to Sentences and Paragraphs. Nueva York: Harcourt Brace Jovanovich, 1971.

Cita MLA

Casty, Alan, y Alan Casty. Building Writing Skills: A Programmed Approach to Sentences and Paragraphs. Nueva York: Harcourt Brace Jovanovich, 1971.