Dyfyniad APA

(1975). Records of the studies of the Wong family. s. n.].

Dyfyniad Arddull Chicago

Records of the Studies of the Wong Family. [S. l: s. n.], 1975.

Dyfyniad MLA

Records of the Studies of the Wong Family. s. n.], 1975.

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