Garcia, Hector, author
Penguin Books, 2017
Buku Teks
Rees, Jenny
Weidenfeld & Nicolson , 1994
Buku Teks
Emoto, Masaru, author
Gramedia Pustaka Utama, 2006
Buku Teks
Donovan, Frank, author
Dodd, Mead, 1963
Buku Teks
Morgan, Monroe T., author
Thomson, 2003
Buku Teks