Cita APA (7th ed.)
STOEL-GAMMON, C. PHONOLOGICAL DEVELOPMENT IN DOWN SYNDROME.
Cita Chicago (17th ed.)
STOEL-GAMMON, C. PHONOLOGICAL DEVELOPMENT IN DOWN SYNDROME.
Cita MLA (9th ed.)
STOEL-GAMMON, C. PHONOLOGICAL DEVELOPMENT IN DOWN SYNDROME.
Atenció: Aquestes cites poden no estar 100% correctes.