एपीए उद्धरण

Salter, W. E. G. (1969). Productivity and technical change. Cambridge: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Salter, W. E. G. Productivity and Technical Change. Cambridge: Cambridge University Press, 1969.

एमएलए उद्धरण

Salter, W. E. G. Productivity and Technical Change. Cambridge: Cambridge University Press, 1969.