एपीए उद्धरण

Salam Abdus. (1990). Unification of fundamental forces: The first of the 1988 Dirac memorial lectures. CUP.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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