Cita APA (7th ed.)
BLANKSBY, D., & LANGFORD, P. (1993). VAP-CAP: A PROCEDURE TO ASSESS THE VISUAL FUNCTIONING OF YOUNG VISUALLY IMPAIRED CHILDREN.
Cita Chicago (17th ed.)
BLANKSBY, D.C, i P.E LANGFORD. VAP-CAP: A PROCEDURE TO ASSESS THE VISUAL FUNCTIONING OF YOUNG VISUALLY IMPAIRED CHILDREN. 1993.
Cita MLA (9th ed.)
BLANKSBY, D.C, i P.E LANGFORD. VAP-CAP: A PROCEDURE TO ASSESS THE VISUAL FUNCTIONING OF YOUNG VISUALLY IMPAIRED CHILDREN. 1993.
Atenció: Aquestes cites poden no estar 100% correctes.