Layug, B. L. (2010). A Tourist guide to notable Philippine historical landmarks, monuments, and shrines. New Day Publishers.
Citace podle Chicago (17th ed.)Layug, Benjamin L. A Tourist Guide to Notable Philippine Historical Landmarks, Monuments, and Shrines. Quezon City: New Day Publishers, 2010.
Citace podle MLA (9th ed.)Layug, Benjamin L. A Tourist Guide to Notable Philippine Historical Landmarks, Monuments, and Shrines. New Day Publishers, 2010.
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