Beier, F. K. (1985). Biotechnology and patent production an international review. Paris: Organistion for Economic Co-Operation and development.
Trích dẫn kiểu ChicagoBeier, F. K. Biotechnology and Patent Production an International Review. Paris: Organistion for Economic Co-Operation and development, 1985.
Trích dẫn MLABeier, F. K. Biotechnology and Patent Production an International Review. Paris: Organistion for Economic Co-Operation and development, 1985.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.