APA-viite

Harman, H. (1958). Commercial apprenticeship. Sir Isaac pitman & sons, limited.

Chicago-tyylinen lähdeviittaus

Harman, Harold. Commercial Apprenticeship. London: Sir Isaac pitman & sons, limited, 1958.

MLA-viite

Harman, Harold. Commercial Apprenticeship. Sir Isaac pitman & sons, limited, 1958.