Παραπομπή APA

Daniels, P. (1979). Raintree illustrated science encyclopedia V.18. Raintree.

Παραπομπή Chicago Style

Daniels, P. Raintree Illustrated Science Encyclopedia V.18. London: Raintree, 1979.

Παραπομπή MLA

Daniels, P. Raintree Illustrated Science Encyclopedia V.18. Raintree, 1979.