APA استشهاد

Ledford & Gast. (2018). Single Case Research Methodology App In Special Edu And Behavioral Science 3/Ed. New York.

استشهاد بنمط شيكاغو

Ledford & Gast. Single Case Research Methodology App In Special Edu And Behavioral Science 3/Ed. Taylor and Francis: New York, 2018.

MLA استشهاد

Ledford & Gast. Single Case Research Methodology App In Special Edu And Behavioral Science 3/Ed. New York, 2018.