APA (7e ed.) Bronvermelding

John E. Borland. Modern teaching in the senior school: Nature study science. George Newnes.

Chicago (17e ed.) Bronvermelding

John E. Borland. Modern Teaching in the Senior School: Nature Study Science. London: George Newnes.

MLA (9e ed.) Bronvermelding

John E. Borland. Modern Teaching in the Senior School: Nature Study Science. George Newnes.

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