एपीए उद्धरण

Heinz Zemanek. (1986). A quarter century of IFIP(proceedings). North-Holland.

शिकागो स्टाइल उद्धरण

Heinz Zemanek. A Quarter Century of IFIP(proceedings). North-Holland, 1986.

एमएलए उद्धरण

Heinz Zemanek. A Quarter Century of IFIP(proceedings). North-Holland, 1986.