APA

American Petroleum Institute A., . (1978). Pilot studies on activated carbon enhancement of the refinery activatd sludge process - Phase II. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1978. Pilot studies on activated carbon enhancement of the refinery activatd sludge process - Phase II. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1978). Pilot studies on activated carbon enhancement of the refinery activatd sludge process - Phase II. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Pilot studies on activated carbon enhancement of the refinery activatd sludge process - Phase II. Washington: American Petroleum Institute, API. 1978.