Dyfyniad APA

Lion, E. (1982). Building rnovation and recycling. John Wiley.

Dyfyniad Arddull Chicago

Lion, Edgar. Building Rnovation and Recycling. New york: John Wiley, 1982.

Dyfyniad MLA

Lion, Edgar. Building Rnovation and Recycling. John Wiley, 1982.

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