Gaya APA
Adder, J, W.
(1960).
An ethical study of guaranteed wages. Disertasi Angelicum.
.
Romae:
Francesco Canella.
Gaya MLA
Adder, James, W.de..
"An ethical study of guaranteed wages. Disertasi Angelicum. ".
Romae:
Francesco Canella,
1960.
Buku.