एपीए उद्धरण

(1981). Quick frozen foods - 1981 Directory of Frozen Food Processors - Catalog. USA.

शिकागो स्टाइल उद्धरण

Quick Frozen Foods - 1981 Directory of Frozen Food Processors - Catalog. USA, 1981.

एमएलए उद्धरण

Quick Frozen Foods - 1981 Directory of Frozen Food Processors - Catalog. USA, 1981.