APA Style
Sommerfeld, Arnold. (1949).
Partial Differential Equations inl Physics .
Medan:
Academic Press.
Chicago Style
Sommerfeld, Arnold.
Partial Differential Equations inl Physics.
Medan:
Academic Press,
1949.
Buku Teks.
MLA Style
Sommerfeld, Arnold.
Partial Differential Equations inl Physics.
Medan:
Academic Press,
1949.
Buku Teks.
Turabian Style
Sommerfeld, Arnold.
Partial Differential Equations inl Physics.
Medan:
Academic Press,
1949.
Buku Teks.