Robinson, Roland
Anus and Robertson, 1971
Buku Teks
Sollers, Philippe, 1936-, author
Polity Press, 2017
Buku Teks
Oliver, Roland
Penguin Books , 1966
Buku Teks
Schinzinger, Roland
McGraw-Hill, 2010
Buku Teks
Hindmarsh, Roland
Cambridge University Press , 1980
Buku Teks