Gaya APA
Vries, J, S. (1952).
Logica, cui praemittitur introductio in philosophiam, [ed.2a.]. Penerbitan asli 1950 .
Friburgi Br dsl:
Herder.
Gaya MLA
Vries, J.de,, S.J..
"Logica, cui praemittitur introductio in philosophiam, [ed.2a.]. Penerbitan asli 1950".
Friburgi Br dsl:
Herder,
1952.
Buku.