APA

Wiltsee J. L., . (1970). Business week's guide to personal business. New York: McGraw-Hill.

Chicago

Wiltsee Joseph L, . 1970. Business week's guide to personal business. New York: McGraw-Hill.

Harvard

Wiltsee J. L., . (1970). Business week's guide to personal business. New York: McGraw-Hill.

MLA

Wiltsee Joseph L, . Business week's guide to personal business. New York: McGraw-Hill. 1970.