APA (7 वां संस्करण) प्रशस्ति पत्र

Baker, G. P., & Hubbard, T. N. (2000). Contractibility and assset ownership: On-board computers and governance in U.S. trucking. National Bureau of Economic Research.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Baker, George P., और Thomas N. Hubbard. Contractibility and Assset Ownership: On-board Computers and Governance in U.S. Trucking. Cambridge: National Bureau of Economic Research, 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Baker, George P., और Thomas N. Hubbard. Contractibility and Assset Ownership: On-board Computers and Governance in U.S. Trucking. National Bureau of Economic Research, 2000.

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