Citazione Stile APA (7a Edizione)

WHP WHITEHEAD, A. (1964). Planning, estimating and retefixing; for. Pitman.

Citazione stile Chigago Style (17a edizione)

WHP WHITEHEAD, A.C. Planning, Estimating and Retefixing; for. London: Pitman, 1964.

Citatione MLA (9a ed.)

WHP WHITEHEAD, A.C. Planning, Estimating and Retefixing; for. Pitman, 1964.