Gaya APA

Greller, M, M., Nee, D, M. (1989). From Baby Boom to Baby Bust; How Business Can Meet the Demographic Challege . New York: Addison-Wesley.

Gaya MLA

Greller, Martin, M.., Nee, David, M.. "From Baby Boom to Baby Bust; How Business Can Meet the Demographic Challege". New York: Addison-Wesley, 1989. Text.