Gaya APA
Lange, Eva C.. (1977).
Cortina Method : German In 20 Lesson .
New York:
Cortina Co..
Gaya Chicago
Lange, Eva C..
Cortina Method : German In 20 Lesson.
New York:
Cortina Co.,
1977.
Buku Teks.
Gaya MLA
Lange, Eva C..
Cortina Method : German In 20 Lesson.
New York:
Cortina Co.,
1977.
Buku Teks.
Gaya Turabian
Lange, Eva C..
Cortina Method : German In 20 Lesson.
New York:
Cortina Co.,
1977.
Buku Teks.