Dyfyniad APA

Alexander, C. N. (1990). Higher stages of human development: Perspectives on adult growth. Oxford University Press.

Dyfyniad Arddull Chicago

Alexander, Charles N. Higher Stages of Human Development: Perspectives on Adult Growth. New York: Oxford University Press, 1990.

Dyfyniad MLA

Alexander, Charles N. Higher Stages of Human Development: Perspectives on Adult Growth. Oxford University Press, 1990.

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