APA citiranje
Christensen, T. G. (1990). An African tree of life. Orbis Books.
Chicago Style (17th ed.) Citation
Christensen, Thomas G. An African Tree of Life. Maryknoll, N.Y.: Orbis Books, 1990.
MLA citiranje
Christensen, Thomas G. An African Tree of Life. Orbis Books, 1990.
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