Não informado. (1974). Belmontia: Miscellaneous publications in botany. Agricultural University, Department of Plant Taxonomy.
Chicagoスタイル(17版)引用形式Não informado. Belmontia: Miscellaneous Publications in Botany. Wageningen, Holanda: Agricultural University, Department of Plant Taxonomy, 1974.
MLA(8版)引用形式Não informado. Belmontia: Miscellaneous Publications in Botany. Agricultural University, Department of Plant Taxonomy, 1974.
警告: この引用は必ずしも正確ではありません.