University of the Philippines (Diliman). Institute for Small-Scale Industries & Research and Surveys Department. (1974). The province of Surigao del Sur. s.n.
Chicago Style (17th ed.) CitationUniversity of the Philippines (Diliman). Institute for Small-Scale Industries and Research and Surveys Department. The Province of Surigao Del Sur. [Quezon City: s.n, 1974.
MLA (9th ed.) CitationUniversity of the Philippines (Diliman). Institute for Small-Scale Industries and Research and Surveys Department. The Province of Surigao Del Sur. s.n, 1974.
Warning: These citations may not always be 100% accurate.