Gaya APA
Janssens, J, [.
( tthn).
Brief [van 15 September 1951] over onze armoede.
.
Tt:
tp.
Gaya MLA
Janssens, J.B.,, [S.J.]..
"Brief [van 15 September 1951] over onze armoede. ".
Tt:
tp,
tthn.
Buku.