Gaya APA

De Morgan, Augustus. (2014). Formal logic: or, the calculus on inference, necessary and probable / Augustus De Morgan . : Cambridge: Cambridge University Press.

Gaya Chicago

De Morgan, Augustus. Formal logic: or, the calculus on inference, necessary and probable / Augustus De Morgan. : Cambridge: Cambridge University Press, 2014. Buku.

Gaya MLA

De Morgan, Augustus. Formal logic: or, the calculus on inference, necessary and probable / Augustus De Morgan. : Cambridge: Cambridge University Press, 2014. Buku.

Gaya Turabian

De Morgan, Augustus. Formal logic: or, the calculus on inference, necessary and probable / Augustus De Morgan. : Cambridge: Cambridge University Press, 2014. Buku.