APA-referens (7:e uppl.)

Frey, R. S. (2012). Successful proposal strategies for small businesses: Using knowledge management to win government, private-sector, and international contacts (6th ed.). Artech House.

Chicago-referens (17:e uppl.)

Frey, Robert S. Successful Proposal Strategies for Small Businesses: Using Knowledge Management to Win Government, Private-sector, and International Contacts. 6th ed. Boston: Artech House, 2012.

MLA-referens (9:e uppl.)

Frey, Robert S. Successful Proposal Strategies for Small Businesses: Using Knowledge Management to Win Government, Private-sector, and International Contacts. 6th ed. Artech House, 2012.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.