Canal Zone. Tariff: Schedule of rates for supplies and services furnished at the Panama Canal. Panama Canal Press.
Chicago Style (17th ed.) CitationCanal Zone. Tariff: Schedule of Rates for Supplies and Services Furnished at the Panama Canal. Mount Hope, C. Z.: Panama Canal Press.
MLA (9th ed.) CitationCanal Zone. Tariff: Schedule of Rates for Supplies and Services Furnished at the Panama Canal. Panama Canal Press.
Warning: These citations may not always be 100% accurate.