Kaufman, H. (1912). Do something! Be something!: A new philosophy of human efficiency. George H. Doran company.
Chicago (17e ed.) BronvermeldingKaufman, Herbert. Do Something! Be Something!: A New Philosophy of Human Efficiency. New York: George H. Doran company, 1912.
MLA (8e ed.) BronvermeldingKaufman, Herbert. Do Something! Be Something!: A New Philosophy of Human Efficiency. George H. Doran company, 1912.
Let op: Deze citaties zijn niet altijd 100% accuraat.