Dyfyniad APA

Putman,William H. (2010). Legal Research (2nd.). Cengage Learning.

Dyfyniad Arddull Chicago

Putman,William H. Legal Research. 2nd. Australia: Cengage Learning, 2010.

Dyfyniad MLA

Putman,William H. Legal Research. 2nd. Cengage Learning, 2010.

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