Dyfyniad APA

HOPKINSON, R., & HOPKINSON, R. (1972). The Lighting Of Buildings Oleh Rg Hopkinson & J.d. Kay. Faber and Faber.

Dyfyniad Arddull Chicago

HOPKINSON, RG, and RG HOPKINSON. The Lighting Of Buildings Oleh Rg Hopkinson & J.d. Kay. Faber and Faber, 1972.

Dyfyniad MLA

HOPKINSON, RG, and RG HOPKINSON. The Lighting Of Buildings Oleh Rg Hopkinson & J.d. Kay. Faber and Faber, 1972.

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