CROCKETT, J. U. Annuals: The time-life encyclopedia of gardening. Time-Life Books.
Chicagoスタイル(17版)引用形式CROCKETT, James Underwood. Annuals: The Time-life Encyclopedia of Gardening. Time-Life Books.
MLA(8版)引用形式CROCKETT, James Underwood. Annuals: The Time-life Encyclopedia of Gardening. Time-Life Books.
警告: この引用は必ずしも正確ではありません.