APA-čujuhus (7. p.)
Frey, R. S. (2005). Successful proposal strategies for small businesses: Using knowledge management to win government, private-sector, and international contracts (4th ed.). Artech House.
Chicago-čujuhus (17. p.)
Frey, Robert S. Successful Proposal Strategies for Small Businesses: Using Knowledge Management to Win Government, Private-sector, and International Contracts. 4th ed. Boston: Artech House, 2005.
MLA-čujuhus (9. p.)
Frey, Robert S. Successful Proposal Strategies for Small Businesses: Using Knowledge Management to Win Government, Private-sector, and International Contracts. 4th ed. Artech House, 2005.
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