Kenna, Peter
Currency Press , 1977
Buku Teks
Murray, Les A., author
Angus & Robertson, 1987
Buku Teks
Mcfall, Claire, author
PT Gramedia Pustaka Utama, 2022
Buku Teks
Hardy, Frank
Gold Star Publication, 1971
Koleksi Publik
Palmer, Vance, author
Longman Cheshire, 1981
Buku Teks