Παραπομπή APA

(1997). Working with proteins. [United States]: Cogito Learning Media, Inc.

Παραπομπή Chicago Style

Working With Proteins. [United States]: Cogito Learning Media, Inc, 1997.

Παραπομπή MLA

Working With Proteins. [United States]: Cogito Learning Media, Inc, 1997.

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