Jacobson, E. (1962). You must relax: A practical method of reducing the strains of modern living. McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Jacobson, Edmund. You Must Relax: A Practical Method of Reducing the Strains of Modern Living. New York: McGraw-Hill, 1962.
MLA-Zitierstil (9. Ausg.)Jacobson, Edmund. You Must Relax: A Practical Method of Reducing the Strains of Modern Living. McGraw-Hill, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.