APA Style

Henderson, J. Vernon, POOLE, William. (1991). Economics, Principles of . USA: D.C. Health and Company.

Chicago Style

Henderson, J. Vernon, POOLE, William. Economics, Principles of. USA: D.C. Health and Company, 1991. Teks Book.

MLA Style

Henderson, J. Vernon, POOLE, William. Economics, Principles of. USA: D.C. Health and Company, 1991. Teks Book.

Turabian Style

Henderson, J. Vernon, POOLE, William. Economics, Principles of. USA: D.C. Health and Company, 1991. Teks Book.