Dyfyniad APA

HARBISON Peter. (1992). Guide to National and Historic Monuments of Ireland (3 ème édition.). Gill and Macmillan Ltd.

Dyfyniad Arddull Chicago

HARBISON Peter. Guide to National and Historic Monuments of Ireland. 3 ème édition. Dublin: Gill and Macmillan Ltd, 1992.

Dyfyniad MLA

HARBISON Peter. Guide to National and Historic Monuments of Ireland. 3 ème édition. Gill and Macmillan Ltd, 1992.

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