APA (7e ed.) Bronvermelding

Edwards, H. G. (1961). Specifications (2d ed.). Van Nostrand.

Chicago (17e ed.) Bronvermelding

Edwards, H. Griffith. Specifications. 2d ed. Princeton, N. J.: Van Nostrand, 1961.

MLA (8e ed.) Bronvermelding

Edwards, H. Griffith. Specifications. 2d ed. Van Nostrand, 1961.