APA
Kannapell B. M., . (1974). Ugly Duckling in Signed English. : Gallaudet College.
Chicago
Kannapell Barbara M, . 1974. Ugly Duckling in Signed English. : Gallaudet College.
Harvard
Kannapell B. M., . (1974). Ugly Duckling in Signed English. : Gallaudet College.
MLA
Kannapell Barbara M, . Ugly Duckling in Signed English. : Gallaudet College. 1974.
