Gaya APA
Henderson, H. Vernon, Parish, Albert E., Poole, William. (1991).
Student workbook for principles of economics .
Toronto:
D.C. Heath and Company.
Gaya Chicago
Henderson, H. Vernon, Parish, Albert E., Poole, William.
Student workbook for principles of economics.
Toronto:
D.C. Heath and Company,
1991.
Text.
Gaya MLA
Henderson, H. Vernon, Parish, Albert E., Poole, William.
Student workbook for principles of economics.
Toronto:
D.C. Heath and Company,
1991.
Text.
Gaya Turabian
Henderson, H. Vernon, Parish, Albert E., Poole, William.
Student workbook for principles of economics.
Toronto:
D.C. Heath and Company,
1991.
Print.