(1969). Root growth: Proceedings of the 15th Easter School in Agricultural Science, University of Nottingham, 1968. Butterworth.
Chicago-Zitierstil (17. Ausg.)Root Growth: Proceedings of the 15th Easter School in Agricultural Science, University of Nottingham, 1968. London: Butterworth, 1969.
MLA-Zitierstil (9. Ausg.)Root Growth: Proceedings of the 15th Easter School in Agricultural Science, University of Nottingham, 1968. Butterworth, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.