Maas, H. Sorting things out: The economist as an armchair observer / Harro Maas. Histories of scientific observation.(2011).
Цитирование в стиле Чикаго (17-е изд.)Maas, Harro. "Sorting Things Out: The Economist as an Armchair Observer / Harro Maas." Histories of Scientific Observation.(2011) .
Цитирование MLA (8-е изд.)Maas, Harro. "Sorting Things Out: The Economist as an Armchair Observer / Harro Maas." Histories of Scientific Observation.(2011), .
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.