Dyfyniad APA

(1992). National profile of information services in aquaculture. Maryland: National Agricultural Library.

Dyfyniad Arddull Chicago

National Profile of Information Services in Aquaculture. Maryland: National Agricultural Library, 1992.

Dyfyniad MLA

National Profile of Information Services in Aquaculture. Maryland: National Agricultural Library, 1992.

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