Gaya APA
Howat, I. (2008).
Helen Roseveare: On His Majesty's Service: Trail Blazers (Cetakan Pertama).
Scotland:
Christian Focus.
Gaya MLA
Howat, Irene.
"Helen Roseveare: On His Majesty's Service: Trail Blazers".
Cetakan Pertama
Scotland:
Christian Focus,
2008.
Karya Cetak.