Gaya APA
Henderson, J. Vernon, Poole, Wiiliam. (1991).
Principles of economics .
LEXINGTON, MASSACHUSETTS:
D Heath and Co..
Gaya Chicago
Henderson, J. Vernon, Poole, Wiiliam.
Principles of economics.
LEXINGTON, MASSACHUSETTS:
D Heath and Co.,
1991.
Buku.
Gaya MLA
Henderson, J. Vernon, Poole, Wiiliam.
Principles of economics.
LEXINGTON, MASSACHUSETTS:
D Heath and Co.,
1991.
Buku.
Gaya Turabian
Henderson, J. Vernon, Poole, Wiiliam.
Principles of economics.
LEXINGTON, MASSACHUSETTS:
D Heath and Co.,
1991.
Buku.