Παραπομπή APA

Porter-Roth, B. (1998). Proposal development: How to respond & win the bid (3rd ed.). Central Point, OR.: The oasis press.

Παραπομπή Chicago Style

Porter-Roth, Bud. Proposal Development: How to Respond & Win the Bid. 3rd ed. Central Point, OR.: The oasis press, 1998.

Παραπομπή MLA

Porter-Roth, Bud. Proposal Development: How to Respond & Win the Bid. 3rd ed. Central Point, OR.: The oasis press, 1998.

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