Christie, Agatha, 1890-1976
Gramedia Pustaka Utama, 2018
Buku Teks
Queen, Ellery
New English Library Limited, 1967
Buku Teks
Christie, Agatha, 1890-1976
Gramedia Pustaka Utama, 2018
Buku Teks
Blackwell Publishing,
Majalah, Jurnal, Buletin
Routlegde , 1988
Buku Teks SO