Gaya APA
Duncan, M. (1996).
Costly mission: Following Christ into the slums. Foreword: John Steward. .
Monrovia:
Monrovia MARC.
Gaya MLA
Duncan, Michael.
"Costly mission: Following Christ into the slums. Foreword: John Steward. ".
Monrovia:
Monrovia MARC,
1996.
Buku.