Gaya APA

M.D., B, S., M.D., M, T, S. (). The First Two Years : The Emotional and Physical Needs of Children From Birth to Age Two . New York: Pocket Books.

Gaya MLA

M.D., Benjamin, Spock,., M.D., Martin, T., Stein,. "The First Two Years : The Emotional and Physical Needs of Children From Birth to Age Two". New York: Pocket Books, . Text.