Cooke, B. (1984). Contract planning and contractual procedures (2nd.ed.). Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCooke, B. Contract Planning and Contractual Procedures. 2nd.ed. Basingstoke, Hampshire [England]: Macmillan, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCooke, B. Contract Planning and Contractual Procedures. 2nd.ed. Macmillan, 1984.