Lounsbury John F. & Aldrich, F. T. (1986). Introduction to geographic field: Methods and techniques (2nd ed,.). Charles E. Merrill.
Citazione stile Chigago Style (17a edizione)Lounsbury John F. e Frank T. Aldrich. Introduction to Geographic Field: Methods and Techniques. 2nd ed,. London: Charles E. Merrill, 1986.
Citatione MLA (9a ed.)Lounsbury John F. e Frank T. Aldrich. Introduction to Geographic Field: Methods and Techniques. 2nd ed,. Charles E. Merrill, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.