APA

P. R. Oficina del Gobernador, . (1976). The labor relations experience of selected Puerto Rican operations: a guide to productivity improvement. San Juan, P.R: .

Chicago

P. R. Oficina del Gobernador, . 1976. The labor relations experience of selected Puerto Rican operations: a guide to productivity improvement. San Juan, P.R: .

Harvard

P. R. Oficina del Gobernador, . (1976). The labor relations experience of selected Puerto Rican operations: a guide to productivity improvement. San Juan, P.R: .

MLA

P. R. Oficina del Gobernador, . The labor relations experience of selected Puerto Rican operations: a guide to productivity improvement. San Juan, P.R: . 1976.