Cita APA (7a ed.)
van Kraay, J. (1973). <The> international product life cycle concept. Institute of Economics.
Cita Chicago Style (17a ed.)
van Kraay, J.M.A. <The> International Product Life Cycle Concept. Tilburg: Institute of Economics, 1973.
Cita MLA (9a ed.)
van Kraay, J.M.A. <The> International Product Life Cycle Concept. Institute of Economics, 1973.
Precaución: Estas citas no son 100% exactas.