Cita APA (7th ed.)
VETTEL, J., & WINDSOR, J. (1997). MATERNAL WAIT TIME AFTER QUESTIONS FOR CHILDREN WITH AND WITHOUT DOWN SYNDROME.
Cita Chicago (17th ed.)
VETTEL, J.K, i J. WINDSOR. MATERNAL WAIT TIME AFTER QUESTIONS FOR CHILDREN WITH AND WITHOUT DOWN SYNDROME. 1997.
Cita MLA (9th ed.)
VETTEL, J.K, i J. WINDSOR. MATERNAL WAIT TIME AFTER QUESTIONS FOR CHILDREN WITH AND WITHOUT DOWN SYNDROME. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.