एपीए उद्धरण

Hunia, F. (1977). Billy goats gruff. Laybird Books.

शिकागो स्टाइल उद्धरण

Hunia, Fran. Billy Goats Gruff. Loughborough: Laybird Books, 1977.

एमएलए उद्धरण

Hunia, Fran. Billy Goats Gruff. Laybird Books, 1977.