Bolton, L. (1924). Time measurement: An introduction to means and ways of reckoning physical and civil time. G. Bell and Sons, Ltd.
Chicago-Zitierstil (17. Ausg.)Bolton, L. Time Measurement: An Introduction to Means and Ways of Reckoning Physical and Civil Time. London: G. Bell and Sons, Ltd, 1924.
MLA-Zitierstil (9. Ausg.)Bolton, L. Time Measurement: An Introduction to Means and Ways of Reckoning Physical and Civil Time. G. Bell and Sons, Ltd, 1924.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.