APA
Harold Joel Conn, . (1981). Stain tecnology. U.S.A: Williams & Wilkins.
Chicago
Harold Joel Conn, . 1981. Stain tecnology. U.S.A: Williams & Wilkins.
Harvard
Harold Joel Conn, . (1981). Stain tecnology. U.S.A: Williams & Wilkins.
MLA
Harold Joel Conn, . Stain tecnology. U.S.A: Williams & Wilkins. 1981.