APA (7. basım) Alıntı

Eichhorn, W. (1982). Economic theory of natural resources. Physica-Verlag.

Chicago Style (17. basım) Atıf

Eichhorn, W. Economic Theory of Natural Resources. Wurzburg: Physica-Verlag, 1982.

MLA (9th ed.) Atıf

Eichhorn, W. Economic Theory of Natural Resources. Physica-Verlag, 1982.