Παραπομπή APA

Boulding, K. E. (1969). Economic analysis (4th ed.). Harper & Row.

Παραπομπή Chicago Style

Boulding, Kenneth E. Economic Analysis. 4th ed. Harper & Row, 1969.

Παραπομπή MLA

Boulding, Kenneth E. Economic Analysis. 4th ed. Harper & Row, 1969.