APA (7 ম সংস্করণ) উদ্ধৃতি

Ham, R. (1990). Therapy of stuttering: Preschool through adolescence. Prentice-Hall.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ham, Richard. Therapy of Stuttering: Preschool Through Adolescence. Englewood Cliffs, NJ: Prentice-Hall, 1990.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ham, Richard. Therapy of Stuttering: Preschool Through Adolescence. Prentice-Hall, 1990.