APA

Nickel E. H., Nichols M. C., . (1991). Mineral reference manual. New York: Van Nostrand Reinhold [u.a.].

Chicago

Nickel Ernest H, Nichols Monte C, . 1991. Mineral reference manual. New York: Van Nostrand Reinhold [u.a.].

Harvard

Nickel E. H., Nichols M. C., . (1991). Mineral reference manual. New York: Van Nostrand Reinhold [u.a.].

MLA

Nickel Ernest H, Nichols Monte C, . Mineral reference manual. New York: Van Nostrand Reinhold [u.a.]. 1991.