APA

Lichfield N., Kettle P. & Whitbread M. (1975). Evaluation in the planning process. Oxford [u.a.]: Pergamon Pr.

Chicago

Lichfield Nathaniel, Kettle Peter and Whitbread Michael. 1975. Evaluation in the planning process. Oxford [u.a.]: Pergamon Pr.

Harvard

Lichfield N., Kettle P. and Whitbread M. (1975). Evaluation in the planning process. Oxford [u.a.]: Pergamon Pr.

MLA

Lichfield Nathaniel, Kettle Peter and Whitbread Michael. Evaluation in the planning process. Oxford [u.a.]: Pergamon Pr. 1975.