Παραπομπή APA

Sibley, R. (1982). Hound of the Baskervilles. Ladybird Books.

Παραπομπή Chicago Style

Sibley, Raymond. Hound of the Baskervilles. Loughborough: Ladybird Books, 1982.

Παραπομπή MLA

Sibley, Raymond. Hound of the Baskervilles. Ladybird Books, 1982.