1.
Logical forms. Oxford, UK, Cambridge, Mass.: B. Blackwell; 1991.
Logical forms. Oxford, UK, Cambridge, Mass. : B. Blackwell, 28 juin 1991. ISBN 0-631-17777-9
Sainsbury R. M. (1991). Logical forms: An introduction to philosophical logic. B. Blackwell.
MLA (8th ed.) CitationSainsbury R. M. Logical Forms: An Introduction to Philosophical Logic. B. Blackwell, 1991.
Warning: These citations may not always be 100% accurate.