Não informado. (2001). Snellius-expedition in the Eastern part of the Netherlands-East-Indies, 1929-1930. Keminken Zoon.
Chicagoスタイル(17版)引用形式Não informado. Snellius-expedition in the Eastern Part of the Netherlands-East-Indies, 1929-1930. Utrecht, Holanda: Keminken Zoon, 2001.
MLA(8版)引用形式Não informado. Snellius-expedition in the Eastern Part of the Netherlands-East-Indies, 1929-1930. Keminken Zoon, 2001.
警告: この引用は必ずしも正確ではありません.