APA

American Petroleum Institute A., . (1988). Bacterial activity in ground waters containing petroleum products. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1988. Bacterial activity in ground waters containing petroleum products. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1988). Bacterial activity in ground waters containing petroleum products. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Bacterial activity in ground waters containing petroleum products. Washington: American Petroleum Institute, API. 1988.