Cita APA (7a ed.)

Tonchev, V. D. (1988). Combinatorial configurations designs, codes, graphs (1a ed.). Longman Group Uk Limited.

Cita Chicago Style (17a ed.)

Tonchev, Vladimir D. Combinatorial Configurations Designs, Codes, Graphs. 1a ed. New York: Longman Group Uk Limited, 1988.

Cita MLA (9a ed.)

Tonchev, Vladimir D. Combinatorial Configurations Designs, Codes, Graphs. 1a ed. Longman Group Uk Limited, 1988.