Gaya APA
Mackenzie, C. (2010).
Richard Wurmbrand: A Voice in the Dark: Trail Blazers (Cetakan Pertama).
Scotland:
Christian Focus.
Gaya MLA
Mackenzie, Catherine.
"Richard Wurmbrand: A Voice in the Dark: Trail Blazers".
Cetakan Pertama
Scotland:
Christian Focus,
2010.
Karya Cetak.