Trine, R. W. (1896). What all the world's a-seeking: Or the vital law of true life, the greatness, power, and happiness. Keats Pub.
Chicago-referens (17:e uppl.)Trine, Ralph Waldo. What All the World's A-seeking: Or the Vital Law of True Life, the Greatness, Power, and Happiness. New Canaan, Conn.: Keats Pub, 1896.
MLA-referens (8:e uppl.)Trine, Ralph Waldo. What All the World's A-seeking: Or the Vital Law of True Life, the Greatness, Power, and Happiness. Keats Pub, 1896.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.