APA aipamena

United States. President's Commission on Postal Organization. (1968). Towards postal excellence: The report of the President's Commission on Postal Organization. For sale by the Supt. of Docs., U.S. Govt. Print. Off.

Chicago Style aipamena

United States. President's Commission on Postal Organization. Towards Postal Excellence: The Report of the President's Commission on Postal Organization. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1968.

MLA aipamena

United States. President's Commission on Postal Organization. Towards Postal Excellence: The Report of the President's Commission on Postal Organization. For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.