APA

Johnson P. C., American Petroleum Institute A. & Johnson P. C.Identification of critical parameters for the Johnson and Ettinger (1991) vapor intrusion model. : .

Chicago

Johnson Paul C, American Petroleum Institute API and Johnson Paul C.Identification of critical parameters for the Johnson and Ettinger (1991) vapor intrusion model. : .

Harvard

Johnson P. C., American Petroleum Institute A. and Johnson P. C.Identification of critical parameters for the Johnson and Ettinger (1991) vapor intrusion model. : .

MLA

Johnson Paul C, American Petroleum Institute API and Johnson Paul C.: . .