- Author: Carleton Taylor Hodge, Foreign Service Institute (U.S.)
- Language: English
- Year: 1961
- Author: Carleton Taylor Hodge, Foreign Service Institute (U.S.)
- Language: English
- Year: 1961
- Author: Janko N. Jankovic, Carleton Taylor Hodge, Foreign Service Institute (U.S.)
- Language: Croatian
- Year: 1968