It could be you
edited by Hal Porter
Rigby, 1972
 Buku Teks SO
James Herriots
If only the could talk
Gramedia Pustaka Utama, 2012
 Koleksi Publik
North, Robert C.
The world that could be / Robert C. North
WW Norton, 1978
 Buku Teks SO
Women and globalisation: is microcredit the answer?
 Artikel Jurnal
Employment permit systems is not the answer
 Artikel Jurnal