Gaya APA
Gschossmann-Hendershot, E., Lois, I, F. (2009).
Schaum's Outline of German Grammar, 4ed .
McGraw-Hill, 2009:
.
Gaya MLA
Gschossmann-Hendershot, Elke., Lois, I., Feuerle,.
"Schaum's Outline of German Grammar, 4ed".
McGraw-Hill, 2009:
,
2009.
.