Ashmore, H. S. (1929). Encyclopaedia Britannica : 17 : P to planting of trees Encyclopaedia Britannica a new survey of universal knowledge 17.
Chicago Style citaatAshmore, Harry S. "Encyclopaedia Britannica : 17 : P to Planting of Trees." Encyclopaedia Britannica a New Survey of Universal Knowledge 17 1929.
MLA citatieAshmore, Harry S. "Encyclopaedia Britannica : 17 : P to Planting of Trees." Encyclopaedia Britannica a New Survey of Universal Knowledge 17 1929.
Let op: Deze citaties zijn niet altijd 100% accuraat.