Dyfyniad APA

National Cancer Institute (U.S.). Prevention Branch, United States. Public Health Service, National Institutes of Health (U.S.), Stanford Research Center, & Levine, R. J. (1978). Asbestos: An information resource. National Cancer Institute.

Dyfyniad Arddull Chicago

National Cancer Institute (U.S.). Prevention Branch, United States. Public Health Service, National Institutes of Health (U.S.), Stanford Research Center, and Richard J. Levine. Asbestos: An Information Resource. Bethesda, Md: National Cancer Institute, 1978.

Dyfyniad MLA

National Cancer Institute (U.S.). Prevention Branch, et al. Asbestos: An Information Resource. National Cancer Institute, 1978.

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