Platt, R. S. (1969). Field study in American geography: The development of theory and method exemplified by selections (7.print.). Univ.
Chicago-Zitierstil (17. Ausg.)Platt, Robert S. Field Study in American Geography: The Development of Theory and Method Exemplified by Selections. 7.print. Chicago: Univ, 1969.
MLA-Zitierstil (9. Ausg.)Platt, Robert S. Field Study in American Geography: The Development of Theory and Method Exemplified by Selections. 7.print. Univ, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.