APA (7th ed.) Citation
DUCKER, P., & MOONEN, X. (1987). THE EFFECT OF TWO PROCEDURES ON SPONTANEOUS SIGNING WITH DOWN'S SYNDROME CHILDREN.
Chicago Style (17th ed.) Citation
DUCKER, P.C, and X.M MOONEN. THE EFFECT OF TWO PROCEDURES ON SPONTANEOUS SIGNING WITH DOWN'S SYNDROME CHILDREN. 1987.
MLA (9th ed.) Citation
DUCKER, P.C, and X.M MOONEN. THE EFFECT OF TWO PROCEDURES ON SPONTANEOUS SIGNING WITH DOWN'S SYNDROME CHILDREN. 1987.
Warning: These citations may not always be 100% accurate.