Gaya APA
Bowen, E. (1929).
Social Economy: A Text in Problems of American Democracy .
Amerika Serikat:
Silver, Burdett and Company - AS.
Gaya MLA
Bowen, Ezra.
"Social Economy: A Text in Problems of American Democracy".
Amerika Serikat:
Silver, Burdett and Company - AS,
1929.
Koleksi Elektronik.