Haywood, F. W., & Wood, A. A. (1957). Metallurgical analysis by means of the spekker photoelectric absorptiometer (2a. ed.). Hilger & Watts.
Citazione stile Chigago Style (17a edizione)Haywood, F. W., e A. A. Wood. Metallurgical Analysis by Means of the Spekker Photoelectric Absorptiometer. 2a. ed. Londres: Hilger & Watts, 1957.
Citatione MLA (9a ed.)Haywood, F. W., e A. A. Wood. Metallurgical Analysis by Means of the Spekker Photoelectric Absorptiometer. 2a. ed. Hilger & Watts, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.