Brown, Joe David
Time Incorporated, 1961
Buku Teks
Hobbs, Lisa
McGraw-Hill, 1967
Buku Teks
Ministry of Information, 1950
Buku Teks
Bagian Publikasi Kementerian Penerangan dan Penjiaran, 1961
Buku Teks
The Publications Division Ministry of Information & Broadcasting Goverment of India , 1953
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