Abad, R. A. M., & Galingan, Z. C. (2009). Elevated landscape: An ecotourism development of Mt. Palay-Palay/Mataas na Gulod National Park.
Cita Chicago (17th ed.)Abad, Rachelle Anne M., i Zenaida C. Galingan. Elevated Landscape: An Ecotourism Development of Mt. Palay-Palay/Mataas Na Gulod National Park. 2009.
Cita MLA (9th ed.)Abad, Rachelle Anne M., i Zenaida C. Galingan. Elevated Landscape: An Ecotourism Development of Mt. Palay-Palay/Mataas Na Gulod National Park. 2009.
Atenció: Aquestes cites poden no estar 100% correctes.