APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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