APA (7e ed.) Bronvermelding

(1928). Difference in pyrometric cone equivalent between raw and calcined clay by Chas. A. Freeman. [electronic resource].

Chicago (17e ed.) Bronvermelding

Difference in Pyrometric Cone Equivalent Between Raw and Calcined Clay by Chas. A. Freeman. [electronic Resource]. 1928.

MLA (9e ed.) Bronvermelding

Difference in Pyrometric Cone Equivalent Between Raw and Calcined Clay by Chas. A. Freeman. [electronic Resource]. 1928.

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