APA

American Petroleum Institute A., . (1994). Interlaboratory study of three methods for analyzing petroleum hydrocarbons in soils. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1994. Interlaboratory study of three methods for analyzing petroleum hydrocarbons in soils. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1994). Interlaboratory study of three methods for analyzing petroleum hydrocarbons in soils. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Interlaboratory study of three methods for analyzing petroleum hydrocarbons in soils. Washington: American Petroleum Institute, API. 1994.