APA (7e ed.) Bronvermelding

Allen, C. L. (1954). Problems in the theory of price. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Allen, Clark Lee. Problems in the Theory of Price. Englewood Cliffs, N.J: Prentice-Hall, 1954.

MLA (9e ed.) Bronvermelding

Allen, Clark Lee. Problems in the Theory of Price. Prentice-Hall, 1954.