Dyfyniad APA

Keith, J. (1982). Old people as people: Social and cultural influences on againg and old age. Little, Brown.

Dyfyniad Arddull Chicago

Keith, Jennie. Old People as People: Social and Cultural Influences on Againg and Old Age. Little, Brown, 1982.

Dyfyniad MLA

Keith, Jennie. Old People as People: Social and Cultural Influences on Againg and Old Age. Little, Brown, 1982.

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