APA (7e ed.) Bronvermelding

Bert, E. (1968). An approved treatise of hawkes and hawking. Da Capo Press.

Chicago (17e ed.) Bronvermelding

Bert, Edmund. An Approved Treatise of Hawkes and Hawking. LondonNew York: Da Capo Press, 1968.

MLA (8e ed.) Bronvermelding

Bert, Edmund. An Approved Treatise of Hawkes and Hawking. Da Capo Press, 1968.

Let op: Deze citaties zijn niet altijd 100% accuraat.