APA ציטוט

Whittaker E.T and Robinson G. (1940). The Calculus of Observations: A Treatise on Numerical Mathematics (IIIrd Edition.1940.). Blackie & Son Limited.

Chicago Edition Citation

Whittaker E.T and Robinson G. The Calculus of Observations: A Treatise on Numerical Mathematics. IIIrd Edition.1940. London: Blackie & Son Limited, 1940.

ציטוט MLA

Whittaker E.T and Robinson G. The Calculus of Observations: A Treatise on Numerical Mathematics. IIIrd Edition.1940. Blackie & Son Limited, 1940.