Penggayaan APA

EKELUND, Robert B.. (2007). A Hystory of economic theory and methods (5th ed.). Amerika: Waveland Press.

Chicago Style

EKELUND, Robert B.. A Hystory of economic theory and methods. 5th ed. Amerika: Waveland Press, 2007. Buku.

MLA Style

EKELUND, Robert B.. A Hystory of economic theory and methods. 5th ed. Amerika: Waveland Press, 2007. Buku.

Turabian Style

EKELUND, Robert B.. A Hystory of economic theory and methods. 5th ed. Amerika: Waveland Press, 2007. Buku.