Smith, Julie, author
PT Gramedia Pustaka Utama, 2023
Buku Teks
Robson, Mike, author
Binarupa Aksara, 1994
Buku Teks
Kementerian Penerangan
Kementerian Penerangan, 1958
Buku Teks
Hartono, author
Rineka Cipta, 1996
Buku Referensi
Robson, Mike, author
Binarupa Aksara, 1994
Buku Teks