Penggayaan APA
PERL, Philip. (1977).
Ferns .
Virginia:
Time-Life Books.
Chicago Style
PERL, Philip.
Ferns.
Virginia:
Time-Life Books,
1977.
Buku.
MLA Style
PERL, Philip.
Ferns.
Virginia:
Time-Life Books,
1977.
Buku.
Turabian Style
PERL, Philip.
Ferns.
Virginia:
Time-Life Books,
1977.
Buku.