Παραπομπή APA

Warring, R. H. (1981). Seals and sealing handbook. Trade and technical press.

Παραπομπή Chicago Style

Warring, R H. Seals and Sealing Handbook. Surray: Trade and technical press, 1981.

Παραπομπή MLA

Warring, R H. Seals and Sealing Handbook. Trade and technical press, 1981.