Cita APA (7th ed.)

Street, A. P., & Wallis, W. D. (1977). Combinatorial theory: An introduction. CBRC.

Cita Chicago (17th ed.)

Street, Anne Penfold, i W. D. Wallis. Combinatorial Theory: An Introduction. Winnipeg: CBRC, 1977.

Cita MLA (9th ed.)

Street, Anne Penfold, i W. D. Wallis. Combinatorial Theory: An Introduction. CBRC, 1977.