Stevens, G. C., & Matthew, K. K. (1989). Quercus costaricensis Liebm. and the problem of multi-seeded acorns.
Chicago Stili AlıntıStevens, George C., ve Kathryn K. Matthew. Quercus Costaricensis Liebm. and the Problem of Multi-seeded Acorns. 1989.
MLA AlıntıStevens, George C., ve Kathryn K. Matthew. Quercus Costaricensis Liebm. and the Problem of Multi-seeded Acorns. 1989.
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