National Botanic Garden of Belgium\nNationale Plantentuin van België. (1999). Systematics and Geography of Plants. National Botanic Gardens.
Chicagoスタイル(17版)引用形式National Botanic Garden of Belgium\nNationale Plantentuin van België. Systematics and Geography of Plants. Meise, Belgica: National Botanic Gardens, 1999.
MLA(8版)引用形式National Botanic Garden of Belgium\nNationale Plantentuin van België. Systematics and Geography of Plants. National Botanic Gardens, 1999.
警告: この引用は必ずしも正確ではありません.