Παραπομπή APA

Bowood, R. (1961). Great Inventions. Ladybird Books.

Παραπομπή Chicago Style

Bowood, Richard. Great Inventions. Loughborough: Ladybird Books, 1961.

Παραπομπή MLA

Bowood, Richard. Great Inventions. Ladybird Books, 1961.