Gaya APA
Hertel, F, R.
(2017).
Social Mobility in the 20th Century
(
1st ed.)
.
Wiesbaden:
Springer VS.
Gaya MLA
Hertel, Florian, R..
"Social Mobility in the 20th Century".
1st ed.
Wiesbaden:
Springer VS,
2017.
E Book.