APA

Hesse A. W., . (1930). The principles of coal property valuation. New York: J.Wiley.

Chicago

Hesse A W, . 1930. The principles of coal property valuation. New York: J.Wiley.

Harvard

Hesse A. W., . (1930). The principles of coal property valuation. New York: J.Wiley.

MLA

Hesse A W, . The principles of coal property valuation. New York: J.Wiley. 1930.