Dyfyniad APA

Stroh, C. M. (1971). Vigilance: The problem of sustained attention. Pergamon Press.

Dyfyniad Arddull Chicago

Stroh, Carl M. Vigilance: The Problem of Sustained Attention. Oxford: Pergamon Press, 1971.

Dyfyniad MLA

Stroh, Carl M. Vigilance: The Problem of Sustained Attention. Pergamon Press, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.