APA
PORTER-ROTH B., . (2002). REQUEST FOR PROPOSAL. BOSTON: ADDISON-WESLEY.
Chicago
PORTER-ROTH BUD, . 2002. REQUEST FOR PROPOSAL. BOSTON: ADDISON-WESLEY.
Harvard
PORTER-ROTH B., . (2002). REQUEST FOR PROPOSAL. BOSTON: ADDISON-WESLEY.
MLA
PORTER-ROTH BUD, . REQUEST FOR PROPOSAL. BOSTON: ADDISON-WESLEY. 2002.