APA

American Petroleum Institute A., . (1991). The generation and management of wastes and secondary materials in the petroleum refining industry : 1987 - 1988. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1991. The generation and management of wastes and secondary materials in the petroleum refining industry : 1987 - 1988. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1991). The generation and management of wastes and secondary materials in the petroleum refining industry : 1987 - 1988. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . The generation and management of wastes and secondary materials in the petroleum refining industry : 1987 - 1988. Washington: American Petroleum Institute, API. 1991.