APA (7e ed.) Bronvermelding

Jenkyns, H., Gale, A., & Corfield, R. (1994). CARBON-ISOTOPE AND OXYGEN-ISOTOPE STRATIGRAPHY OF THE ENGLISH CHALK AND ITALIAN SCAGLIA AND ITS PALEOCLIMATIC SIGNIFICANCE.

Chicago (17e ed.) Bronvermelding

Jenkyns, H., A. Gale, en R. Corfield. CARBON-ISOTOPE AND OXYGEN-ISOTOPE STRATIGRAPHY OF THE ENGLISH CHALK AND ITALIAN SCAGLIA AND ITS PALEOCLIMATIC SIGNIFICANCE. 1994.

MLA (9e ed.) Bronvermelding

Jenkyns, H., et al. CARBON-ISOTOPE AND OXYGEN-ISOTOPE STRATIGRAPHY OF THE ENGLISH CHALK AND ITALIAN SCAGLIA AND ITS PALEOCLIMATIC SIGNIFICANCE. 1994.