Dyfyniad APA

Sulphur Institute, Oregon State University. Nutrition Research Institute, Oldfield, J. E., & Muth, O. H. (1970). Symposium: Sulfur in nutrition, Oregon State University, 1969. Avi Pub. Co..

Dyfyniad Arddull Chicago

Sulphur Institute, Oregon State University. Nutrition Research Institute, J. E. Oldfield, and O. H. Muth. Symposium: Sulfur in Nutrition, Oregon State University, 1969. Westport, Conn.: Avi Pub. Co., 1970.

Dyfyniad MLA

Sulphur Institute, et al. Symposium: Sulfur in Nutrition, Oregon State University, 1969. Avi Pub. Co., 1970.

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