Dyfyniad APA

O'Brien, J. A., Gray, W. S., & Arbuthnot, M. H. (1947). More streets and roads (Cathedral basic edition.). Scott, Foresman and Company.

Dyfyniad Arddull Chicago

O'Brien, John A., William S. Gray, and May Hill Arbuthnot. More Streets and Roads. Cathedral basic edition. Chicago: Scott, Foresman and Company, 1947.

Dyfyniad MLA

O'Brien, John A., et al. More Streets and Roads. Cathedral basic edition. Scott, Foresman and Company, 1947.

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