Dyfyniad APA
Bronfenbrenner, M., & Sichel, W. (1984). Microeconomics. Houghton Mifflin Company.
Dyfyniad Arddull Chicago
Bronfenbrenner, Martin, and Werner Sichel. Microeconomics. Boston: Houghton Mifflin Company, 1984.
Dyfyniad MLA
Bronfenbrenner, Martin, and Werner Sichel. Microeconomics. Houghton Mifflin Company, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.