एपीए उद्धरण

Salam, A. (1990). Unification of fundamental forces: The first of the 1988 Dirac memorial lectures. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Salam, Abdus. Unification of Fundamental Forces: The First of the 1988 Dirac Memorial Lectures. Cambridge: Cambridge University Press, 1990.

एमएलए उद्धरण

Salam, Abdus. Unification of Fundamental Forces: The First of the 1988 Dirac Memorial Lectures. Cambridge University Press, 1990.