Gaya APA
Howat, I. (2010).
Ten Boys Who Used Their Talents: Light Keepers (Cetakan Pertama).
Scotland:
Christian Focus.
Gaya MLA
Howat, Irene.
"Ten Boys Who Used Their Talents: Light Keepers".
Cetakan Pertama
Scotland:
Christian Focus,
2010.
Karya Cetak.