Dyfyniad APA

Carroll, J., & Johnston, T. (1988). Insight guides: Northern California. APA Pub.

Dyfyniad Arddull Chicago

Carroll, Jon, and Tracy Johnston. Insight Guides: Northern California. Singapore: APA Pub, 1988.

Dyfyniad MLA

Carroll, Jon, and Tracy Johnston. Insight Guides: Northern California. APA Pub, 1988.

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