Dyfyniad APA

J C Aitken. (1977). Obyektive tests in os mapping. London: Edward arnold.

Dyfyniad Arddull Chicago

J C Aitken. Obyektive Tests in Os Mapping. London: Edward arnold, 1977.

Dyfyniad MLA

J C Aitken. Obyektive Tests in Os Mapping. London: Edward arnold, 1977.

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