Gaya APA
Mountjoy, A, B. (1971).
Developing the Underdeveloped Countries .
Great Britain:
Wiley-Interscience.New Jersey.
Gaya MLA
Mountjoy, Alan, B..
"Developing the Underdeveloped Countries".
Great Britain:
Wiley-Interscience.New Jersey,
1971.
Koleksi Elektronik.