Dyfyniad APA

Clark, R. M., & Gillean, R. M. (1981). Resource recovery planning and management. Ann Arbor Science.

Dyfyniad Arddull Chicago

Clark, Robert Maurice, and Robert M. Gillean. Resource Recovery Planning and Management. Ann Arbor, Mich: Ann Arbor Science, 1981.

Dyfyniad MLA

Clark, Robert Maurice, and Robert M. Gillean. Resource Recovery Planning and Management. Ann Arbor Science, 1981.

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