Dyfyniad APA

Root, D., & Irwin, J. (2000). Pennsylvania (First edition.). Fodor''s Travel Publications.

Dyfyniad Arddull Chicago

Root, Douglas, and Jerry Irwin. Pennsylvania. First edition. Oakland: Fodor''s Travel Publications, 2000.

Dyfyniad MLA

Root, Douglas, and Jerry Irwin. Pennsylvania. First edition. Fodor''s Travel Publications, 2000.

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