Office of the President. Presidential Economic Staff. (1966). Preparation of feasibility studies for business projects in the PhilippinesOffice of the President. Presidential Economic Staff, Philippines (2nd ed.). s.n.
Cita Chicago (17th ed.)Office of the President. Presidential Economic Staff. Preparation of Feasibility Studies for Business Projects in the PhilippinesOffice of the President. Presidential Economic Staff, Philippines. 2nd ed. Manila: s.n, 1966.
Cita MLA (9th ed.)Office of the President. Presidential Economic Staff. Preparation of Feasibility Studies for Business Projects in the PhilippinesOffice of the President. Presidential Economic Staff, Philippines. 2nd ed. s.n, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.