Zamboanga del Norte (Province) Provincial Development Staff. (1975). Five year development program, 1976-1980 Comprehensive plan: Province of Zamboanga del Norte. s.n.
Citace podle Chicago (17th ed.)Zamboanga del Norte (Province) Provincial Development Staff. Five Year Development Program, 1976-1980 Comprehensive Plan: Province of Zamboanga Del Norte. [S.l: s.n, 1975.
Citace podle MLA (9th ed.)Zamboanga del Norte (Province) Provincial Development Staff. Five Year Development Program, 1976-1980 Comprehensive Plan: Province of Zamboanga Del Norte. s.n, 1975.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..