Hansen, Alvin Harvey, 1887-1975, author
McGraw-Hill, 1949
Buku Teks
Tinbergen, Jan, 1903-, author
North-Holland Publishing , 1952
Buku Teks
Walker, E. Ronald, author
University of Chicago Press, 1947
Buku Teks
Chacholiades, Miltiades, author
McGraw-Hill, 1978
Buku Teks
Chacholiades, Miltiades, author
McGraw-Hill, 1978
Buku Teks