Stevens, G. C., & Matthew, K. K. (1989). Quercus costaricensis Liebm. and the problem of multi-seeded acorns.
シカゴスタイル引用形Stevens, George C., , Kathryn K. Matthew. Quercus Costaricensis Liebm. and the Problem of Multi-seeded Acorns. 1989.
MLA引用形式Stevens, George C., , Kathryn K. Matthew. Quercus Costaricensis Liebm. and the Problem of Multi-seeded Acorns. 1989.
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