Wright, W. S., & Salazar, A. (1955). Preliminary report on the investigation of the nickel resources of Nonoc Island Surigao, Mindanao. Philippine Bureau of Mines.
Chicago Style (17th ed.) CitationWright, Wilford S., and Arsenio Salazar. Preliminary Report on the Investigation of the Nickel Resources of Nonoc Island Surigao, Mindanao. Manila: Philippine Bureau of Mines, 1955.
MLA (9th ed.) CitationWright, Wilford S., and Arsenio Salazar. Preliminary Report on the Investigation of the Nickel Resources of Nonoc Island Surigao, Mindanao. Philippine Bureau of Mines, 1955.
Warning: These citations may not always be 100% accurate.