Dyfyniad APA

Johnson, G. (2011). A very famous social worker. Bloomington: iUniverse.

Dyfyniad Arddull Chicago

Johnson, Greg. A Very Famous Social Worker. Bloomington: iUniverse, 2011.

Dyfyniad MLA

Johnson, Greg. A Very Famous Social Worker. Bloomington: iUniverse, 2011.

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