APA

Simpson B. J., Concawe & Simpson B. J. (1996). Development of a healt surveillance programme for woekers in the downstream petroleum industry. Brussels: Concawe.

Chicago

Simpson B J, Concawe and Simpson B J. 1996. Development of a healt surveillance programme for woekers in the downstream petroleum industry. Brussels: Concawe.

Harvard

Simpson B. J., Concawe and Simpson B. J. (1996). Development of a healt surveillance programme for woekers in the downstream petroleum industry. Brussels: Concawe.

MLA

Simpson B J, Concawe and Simpson B J. Development of a healt surveillance programme for woekers in the downstream petroleum industry. Brussels: Concawe. 1996.