Gaya APA
Faber, H. (1988).
Above the treeline, towards a contemporary spirituality. : Boven de boomgrens, 1987. .
Nashville:
Abingdon Press.
Gaya MLA
Faber, Heije..
"Above the treeline, towards a contemporary spirituality. : Boven de boomgrens, 1987. ".
Nashville:
Abingdon Press,
1988.
Buku.