Priebe, Mac
Mindfull Publishing, 2000
Buku Referensi
Riggs, Ransom, author
Quirk Books, 2016
Buku Teks
Riggs, Ransom, author
Quirk Books, 2011
Buku Teks
Riggs, Ransom, author
Gramedia Pustaka Utama , 2016
Buku Teks
Fataya Azzahra, author
Feliz Books, 2016
Buku Teks