APA

Irvin G., Brown R. P. C. & Brown R. P. C. (1978). Modern cost-benefit methods. London [u.a.]: Macmillan.

Chicago

Irvin George, Brown Richard P C and Brown Richard P C. 1978. Modern cost-benefit methods. London [u.a.]: Macmillan.

Harvard

Irvin G., Brown R. P. C. and Brown R. P. C. (1978). Modern cost-benefit methods. London [u.a.]: Macmillan.

MLA

Irvin George, Brown Richard P C and Brown Richard P C. Modern cost-benefit methods. London [u.a.]: Macmillan. 1978.