Παραπομπή APA

Kelly, A., & Nicholson, R. (1971). Strengthening methods in crystals. Elsevier Pub. Co..

Παραπομπή Chicago Style

Kelly, A., και Robin Nicholson. Strengthening Methods in Crystals. Amsterdam: Elsevier Pub. Co., 1971.

Παραπομπή MLA

Kelly, A., και Robin Nicholson. Strengthening Methods in Crystals. Elsevier Pub. Co., 1971.