Spencer, P. W., & Trrus, J. S. (1973). Apple Leaf Senescence: Leaf Disc Compared to Attached Leaf.
シカゴスタイル引用形Spencer, Patricia W., , John S. Trrus. Apple Leaf Senescence: Leaf Disc Compared to Attached Leaf. 1973.
MLA引用形式Spencer, Patricia W., , John S. Trrus. Apple Leaf Senescence: Leaf Disc Compared to Attached Leaf. 1973.
警告: この引用は必ずしも正確ではありません.