Axie Oh
PT Elex Media Komputindo, 2022
Buku Teks
Kyung-Sook, Shin
Gramedia Pustaka Utama , 2018
Buku Teks
Bennington, Emily
[American Management Association, ], 2013
eBooks
Maugham, W. Somerset
Heinemann, 1955
Buku Teks
Ikeda, Daisaku, 1928-
Treasure Tower Books, 1991
Buku Teks