APA-Zitierstil (7. Ausg.)

Wernstedt, F. L. (1957). The role and importance of Philippine interisland shipping and trade: 1953 - 1954 ; final report. Pa. State Univ., Dep. of Geography, College of Mineral Industries.

Chicago-Zitierstil (17. Ausg.)

Wernstedt, Frederick L. The Role and Importance of Philippine Interisland Shipping and Trade: 1953 - 1954 ; Final Report. Univ. Park, Pa: Pa. State Univ., Dep. of Geography, College of Mineral Industries, 1957.

MLA-Zitierstil (9. Ausg.)

Wernstedt, Frederick L. The Role and Importance of Philippine Interisland Shipping and Trade: 1953 - 1954 ; Final Report. Pa. State Univ., Dep. of Geography, College of Mineral Industries, 1957.