APA (7e ed.) Bronvermelding

(1997). Main types of geological maps purpose, use and preparation. Oxford.

Chicago (17e ed.) Bronvermelding

Main Types of Geological Maps Purpose, Use and Preparation. New Delhi: Oxford, 1997.

MLA (9e ed.) Bronvermelding

Main Types of Geological Maps Purpose, Use and Preparation. Oxford, 1997.

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