Bacnotan Cement Industries, Inc. A decade of growth: 1957-1967, 10th anniversary yearbook. s.n.
Chicago Style (17th ed.) CitationBacnotan Cement Industries, Inc. A Decade of Growth: 1957-1967, 10th Anniversary Yearbook. [San Fernando, La Union: s.n.
MLA (9th ed.) CitationBacnotan Cement Industries, Inc. A Decade of Growth: 1957-1967, 10th Anniversary Yearbook. s.n.
Warning: These citations may not always be 100% accurate.