Dyfyniad APA

Ryley, H., & Wakelin, D. (2016). Sustainability and recycling in fifteenth-century manuscripts.

Dyfyniad Arddull Chicago

Ryley, H., and D. Wakelin. Sustainability and Recycling in Fifteenth-century Manuscripts. 2016.

Dyfyniad MLA

Ryley, H., and D. Wakelin. Sustainability and Recycling in Fifteenth-century Manuscripts. 2016.

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