Gaya APA

William, G, H., Swanson, C, P. (1983). Perceptual and motor development . New Jersey: New Jersey: Prestice; 1983.

Gaya MLA

William, G., Harriet., Swanson, Carl, P.. "Perceptual and motor development". New Jersey: New Jersey: Prestice; 1983, 1983. Text.