Dyfyniad APA
Archer, J. (1999). The nature of grief: The evolution and psychology of reactions to loss. Routledge.
Dyfyniad Arddull Chicago
Archer, John. The Nature of Grief: The Evolution and Psychology of Reactions to Loss. London ; New York: Routledge, 1999.
Dyfyniad MLA
Archer, John. The Nature of Grief: The Evolution and Psychology of Reactions to Loss. Routledge, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.