Wernstedt, F. L. (1957). The role and importance of Philippine interisland shipping and trade: 1953-1954. Dept. of Geography, College of Mineral Industries, Pennsylvania State University].
Chicago Style (17th ed.) CitationWernstedt, Frederick L. The Role and Importance of Philippine Interisland Shipping and Trade: 1953-1954. [University Park: Dept. of Geography, College of Mineral Industries, Pennsylvania State University], 1957.
MLA (9th ed.) CitationWernstedt, Frederick L. The Role and Importance of Philippine Interisland Shipping and Trade: 1953-1954. Dept. of Geography, College of Mineral Industries, Pennsylvania State University], 1957.
Warning: These citations may not always be 100% accurate.