Cita APA (7th ed.)

Bryant, V., & Perfect, H. (1980). Independence theory in combinatorics (5a. ed.). Chapman and Hall.

Cita Chicago (17th ed.)

Bryant, Victor, i Hazel Perfect. Independence Theory in Combinatorics. 5a. ed. Nueva York: Chapman and Hall, 1980.

Cita MLA (9th ed.)

Bryant, Victor, i Hazel Perfect. Independence Theory in Combinatorics. 5a. ed. Chapman and Hall, 1980.