APA (7e ed.) Bronvermelding

Epstein, B., & Epstein, S. (1960). The first book of measurement. Watts, F.

Chicago (17e ed.) Bronvermelding

Epstein, Beryl, en Sam Epstein. The First Book of Measurement. [S.l.]: Watts, F, 1960.

MLA (9e ed.) Bronvermelding

Epstein, Beryl, en Sam Epstein. The First Book of Measurement. Watts, F, 1960.