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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
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