Gaya APA

Swanson, C, P., Hawtrey, R. (NULL). The gold standard in theory and practice . London:: London: Longmans, Green and Co; 1948.

Gaya MLA

Swanson, Carl, P.., Hawtrey, R.G. "The gold standard in theory and practice". London:: London: Longmans, Green and Co; 1948, NULL. Text.