Gaya APA
Drucker, Peter F.. (1909).
Toward the next economics and others essays .
New York:
Harper and Row.
Gaya Chicago
Drucker, Peter F..
Toward the next economics and others essays.
New York:
Harper and Row,
1909.
Buku Teks.
Gaya MLA
Drucker, Peter F..
Toward the next economics and others essays.
New York:
Harper and Row,
1909.
Buku Teks.
Gaya Turabian
Drucker, Peter F..
Toward the next economics and others essays.
New York:
Harper and Row,
1909.
Buku Teks.