Stevens, R. (2002). Marketing planning guide. Jaico Pub House.
Chicago-čujuhus (17. p.)Stevens, R. Marketing Planning Guide. Mumbai: Jaico Pub House, 2002.
MLA-čujuhus (9. p.)Stevens, R. Marketing Planning Guide. Jaico Pub House, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.