Cita APA

Williams Gertrude. (1957). Recruitment to skilled trades. Routledge & Kegan paul.

Citación estilo Chicago

Williams Gertrude. Recruitment to Skilled Trades. London: Routledge & Kegan paul, 1957.

Cita MLA

Williams Gertrude. Recruitment to Skilled Trades. Routledge & Kegan paul, 1957.