Philippines (Republic) Dept. of Tourism & Philippines (Republic). Department of Tourism. Tourism: Four-year development plan, 1974 to 1977. [s.n.
Citação do estilo Chicago (17ª ed.)Philippines (Republic) Dept. of Tourism e Philippines (Republic). Department of Tourism. Tourism: Four-year Development Plan, 1974 to 1977. Manila: [s.n.
Citação MLA (9ª ed.)Philippines (Republic) Dept. of Tourism e Philippines (Republic). Department of Tourism. Tourism: Four-year Development Plan, 1974 to 1977. [s.n.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.