University of Oxford. Institute of Statistics. (1938). Oxford economic papers. Clarendon Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)University of Oxford. Institute of Statistics. Oxford Economic Papers. Oxford: Clarendon Press, 1938.
Παραπομπή σε μορφή MLA (9th εκδ.)University of Oxford. Institute of Statistics. Oxford Economic Papers. Clarendon Press, 1938.