एपीए उद्धरण

Fritsch, F. E. Structure and reproduction of the algae (Vol.1).

शिकागो स्टाइल उद्धरण

Fritsch, F. E. Structure and Reproduction of the Algae (Vol.1).

एमएलए उद्धरण

Fritsch, F. E. Structure and Reproduction of the Algae (Vol.1).