APA-referens

Holgate, H. (1961). Exchange arithmetic/5e. Sir Isaac Pitman and sons limited.

Chicago-stil citat

Holgate, H.C.F. Exchange Arithmetic/5e. London: Sir Isaac Pitman and sons limited, 1961.

MLA-referens

Holgate, H.C.F. Exchange Arithmetic/5e. Sir Isaac Pitman and sons limited, 1961.