Gaya APA

Marsden, M, H, &, J. (1987). The New E for Additives : the completely revised bestselling E number giude (--). New York: Thorsons.

Gaya MLA

Marsden, Maurice, Hanssen, &, Jill. "The New E for Additives : the completely revised bestselling E number giude". -- New York: Thorsons, 1987. Text.