Rangkuti, Freddy
Perjalanan menuju haji mabrur: dengan manajemen waktu
Gramedia Pustaka Utama, 2000
Buku Teks SO
Farmer, Beverley
Alone : a novel
Penguin Books, 1984
Buku Teks SO
Bradley, Alan
Alone with a PC
Sigma Press, 1993
Buku Teks
Knox, Kim, -1997
Women alone
Widescope, 1978
Buku Teks SO
Plaidy, Jean
Indiscretions of the queen
Robert Hale, 1975
Buku Teks SO