Gaya APA
Upton, C, B. (2012).
International encyclopaedia of great philosophers: Martineau's (volume 20) .
United Kingdom:
Koros Press Limited.
Gaya MLA
Upton, Charles, B..
"International encyclopaedia of great philosophers: Martineau's (volume 20)".
United Kingdom:
Koros Press Limited,
2012.
Text.