Zamboanga del Norte (Province) Provincial Development Staff. (1975). Five year development program, 1976-1980 Comprehensive plan: Province of Zamboanga del Norte. s.n.
Цитирование в стиле Чикаго (17-е изд.)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.
Цитирование MLA (9-е изд.)Zamboanga del Norte (Province) Provincial Development Staff. Five Year Development Program, 1976-1980 Comprehensive Plan: Province of Zamboanga Del Norte. s.n, 1975.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.