Dyfyniad APA

Pettay, J. E., Kruuk, L. E. B., Jokela, J., & Lummaa, V. (2005). Heritability and genetic constraints of life-history trait evolution in preindustrial humans. National Academy of Sciences.

Dyfyniad Arddull Chicago

Pettay, Jenni E., Loeske E. B. Kruuk, Jukka Jokela, and Virpi Lummaa. Heritability and Genetic Constraints of Life-history Trait Evolution in Preindustrial Humans. National Academy of Sciences, 2005.

Dyfyniad MLA

Pettay, Jenni E., Loeske E. B. Kruuk, Jukka Jokela, and Virpi Lummaa. Heritability and Genetic Constraints of Life-history Trait Evolution in Preindustrial Humans. National Academy of Sciences, 2005.

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