Dyfyniad APA

(1990). Genetic and Environmental Factors in Clinical Allergy. Minneapolis: University of Minnesota.

Dyfyniad Arddull Chicago

Genetic and Environmental Factors in Clinical Allergy. Minneapolis: University of Minnesota, 1990.

Dyfyniad MLA

Genetic and Environmental Factors in Clinical Allergy. Minneapolis: University of Minnesota, 1990.

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