एपीए उद्धरण

Wemick, R. (1974). monument builders. Time-Life International.

शिकागो स्टाइल उद्धरण

Wemick, Robert. Monument Builders. Nederland: Time-Life International, 1974.

एमएलए उद्धरण

Wemick, Robert. Monument Builders. Time-Life International, 1974.