APA-viite (7. p.)
ebrary, Inc, Reif, J., Ditterich, K. M., Larsen, M. G., & Ostrea, R. A. (1997). Services--the export of the 21st century: A guidebook for US service exporters. World Trade Press.
Chicago-viite (17. p.)
ebrary, Inc, Joe Reif, Kirsten M. Ditterich, Mitch G. Larsen, ja Robert A. Ostrea. Services--the Export of the 21st Century: A Guidebook for US Service Exporters. San Rafael, Calif.: World Trade Press, 1997.
MLA-viite (9. p.)
ebrary, Inc, et al. Services--the Export of the 21st Century: A Guidebook for US Service Exporters. World Trade Press, 1997.
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