Cronlund, A. (1975). Pharmacognostic studies on African Erythrophleum species. Dept. of Pharmacognosy, Faculty of Pharmacy, University of Uppsala.
Chicago-referens (17:e uppl.)Cronlund, Anders. Pharmacognostic Studies on African Erythrophleum Species. [Uppsala]: Dept. of Pharmacognosy, Faculty of Pharmacy, University of Uppsala, 1975.
MLA-referens (8:e uppl.)Cronlund, Anders. Pharmacognostic Studies on African Erythrophleum Species. Dept. of Pharmacognosy, Faculty of Pharmacy, University of Uppsala, 1975.
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