Barker, P. (2002). Top 1000 scientists: From the beginning of time to 2000 AD. Universities press.
Chicago-стиль цитированияBarker, Philip. Top 1000 Scientists: From the Beginning of Time to 2000 AD. Hyderabad: Universities press, 2002.
MLA-цитированиеBarker, Philip. Top 1000 Scientists: From the Beginning of Time to 2000 AD. Universities press, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.