Dyfyniad APA

Robinson, D., & Haas, E. (1978). Reflections (First edition.). Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Robinson, David, and Ernst Haas. Reflections. First edition. Canada: Holt, Rinehart and Winston, 1978.

Dyfyniad MLA

Robinson, David, and Ernst Haas. Reflections. First edition. Holt, Rinehart and Winston, 1978.

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