Cita APA (7th ed.)

Cark , G. H. (1985). Logic (2nd ed.). The Trinity Foundation.

Cita Chicago (17th ed.)

Cark , Gordon H. Logic. 2nd ed. Maryland: The Trinity Foundation, 1985.

Cita MLA (9th ed.)

Cark , Gordon H. Logic. 2nd ed. The Trinity Foundation, 1985.