APA

Puerto Rico, . (1966). The five year plan for technical services in the Commonwealth of Puerto Rico. San Juan, P.R: Economic Development Adminsitration, Ofice of Technical Services.

Chicago

Puerto Rico, . 1966. The five year plan for technical services in the Commonwealth of Puerto Rico. San Juan, P.R: Economic Development Adminsitration, Ofice of Technical Services.

Harvard

Puerto Rico, . (1966). The five year plan for technical services in the Commonwealth of Puerto Rico. San Juan, P.R: Economic Development Adminsitration, Ofice of Technical Services.

MLA

Puerto Rico, . The five year plan for technical services in the Commonwealth of Puerto Rico. San Juan, P.R: Economic Development Adminsitration, Ofice of Technical Services. 1966.