Παραπομπή APA

Gertrude Williams. (2013). Recruitment to skilled trades. Routledge.

Παραπομπή Chicago Style

Gertrude Williams. Recruitment to Skilled Trades. London: Routledge, 2013.

Παραπομπή MLA

Gertrude Williams. Recruitment to Skilled Trades. Routledge, 2013.