Παραπομπή APA

Childs, W. H. J. (1958). Physical constants: Selected for students ([8th ed., rev.].). Methuen.

Παραπομπή Chicago Style

Childs, W. H. J. Physical Constants: Selected for Students. [8th ed., rev.]. London: Methuen, 1958.

Παραπομπή MLA

Childs, W. H. J. Physical Constants: Selected for Students. [8th ed., rev.]. Methuen, 1958.