Cita APA (7th ed.)
PARKER, A. (1987). WALKING PATTERNS IN DOWN'S SYNDROME.
Cita Chicago (17th ed.)
PARKER, A.W. WALKING PATTERNS IN DOWN'S SYNDROME. 1987.
Cita MLA (9th ed.)
PARKER, A.W. WALKING PATTERNS IN DOWN'S SYNDROME. 1987.
Atenció: Aquestes cites poden no estar 100% correctes.