Παραπομπή APA

Adjan, S. I. (1967). Defining Relations and Algorithmic Problems for Groups and Semigroups. Providence, Rhode Island: American Mathematical Society.

Παραπομπή Chicago Style

Adjan, S. I. Defining Relations and Algorithmic Problems for Groups and Semigroups. Providence, Rhode Island: American Mathematical Society, 1967.

Παραπομπή MLA

Adjan, S. I. Defining Relations and Algorithmic Problems for Groups and Semigroups. Providence, Rhode Island: American Mathematical Society, 1967.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.