APA aipamena

Mathisen, M. E. (1981). Plio-Pleistocene geology of the central Cagayan Valley, northern Luzon, Philippines.

Chicago Style aipamena

Mathisen, Mark Evan. Plio-Pleistocene Geology of the Central Cagayan Valley, Northern Luzon, Philippines. 1981.

MLA aipamena

Mathisen, Mark Evan. Plio-Pleistocene Geology of the Central Cagayan Valley, Northern Luzon, Philippines. 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.