Boudin, L. B. (1907). The theoretical system of Karl Marx in the light of recent criticism. C.H. Kerr.
Chicago-viite (17. p.)Boudin, Louis Boudianoff. The Theoretical System of Karl Marx in the Light of Recent Criticism. Chicago: C.H. Kerr, 1907.
MLA-viite (9. p.)Boudin, Louis Boudianoff. The Theoretical System of Karl Marx in the Light of Recent Criticism. C.H. Kerr, 1907.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.