Gaya APA
Ludolph, G.L.. ([195).
Technisch Vademecum .
Haarlem:
DE TECHNISHE.
Gaya Chicago
Ludolph, G.L..
Technisch Vademecum.
Haarlem:
DE TECHNISHE,
[195.
.
Gaya MLA
Ludolph, G.L..
Technisch Vademecum.
Haarlem:
DE TECHNISHE,
[195.
.
Gaya Turabian
Ludolph, G.L..
Technisch Vademecum.
Haarlem:
DE TECHNISHE,
[195.
.