Elkins, R. E. (1973). A preliminary proto-Manobo word list. s.n.
Chicago Style (17th ed.) CitationElkins, Richard E. A Preliminary Proto-Manobo Word List. [S.l: s.n, 1973.
MLA (9th ed.) CitationElkins, Richard E. A Preliminary Proto-Manobo Word List. s.n, 1973.
Warning: These citations may not always be 100% accurate.