APA

Puerto Rico, Puerto Rico & Puerto Rico. (1986). The drug and pharmaceutical industry in Puerto Rico: sub group 283. San Juan, P.R: Economic Developmnet Administration ; Office of Economic Research.

Chicago

Puerto Rico, Puerto Rico and Puerto Rico. 1986. The drug and pharmaceutical industry in Puerto Rico: sub group 283. San Juan, P.R: Economic Developmnet Administration ; Office of Economic Research.

Harvard

Puerto Rico, Puerto Rico and Puerto Rico. (1986). The drug and pharmaceutical industry in Puerto Rico: sub group 283. San Juan, P.R: Economic Developmnet Administration ; Office of Economic Research.

MLA

Puerto Rico, Puerto Rico and Puerto Rico. The drug and pharmaceutical industry in Puerto Rico: sub group 283. San Juan, P.R: Economic Developmnet Administration ; Office of Economic Research. 1986.