Dyfyniad APA

Feilden, H. (2017). Conservation: RIBA plan of work 2013 guide. RIBA Publishing.

Dyfyniad Arddull Chicago

Feilden, Hugh. Conservation: RIBA Plan of Work 2013 Guide. Newcastle upon Tyne: RIBA Publishing, 2017.

Dyfyniad MLA

Feilden, Hugh. Conservation: RIBA Plan of Work 2013 Guide. RIBA Publishing, 2017.

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