Gaya APA
Drucker, P, F. (1976).
(PASCA) The Unseen Revolution : How Pension Fund Socialism Came to America (Edisi 1).
London:
Macmillan Heinemann.
Gaya MLA
Drucker, Peter, F..
"(PASCA) The Unseen Revolution : How Pension Fund Socialism Came to America".
Edisi 1
London:
Macmillan Heinemann,
1976.
.