Penggayaan APA
JOHNS, Patrick A.. (1982).
The world of house plants .
[s.l.]:
Optimum Books.
Chicago Style
JOHNS, Patrick A..
The world of house plants.
[s.l.]:
Optimum Books,
1982.
Buku.
MLA Style
JOHNS, Patrick A..
The world of house plants.
[s.l.]:
Optimum Books,
1982.
Buku.
Turabian Style
JOHNS, Patrick A..
The world of house plants.
[s.l.]:
Optimum Books,
1982.
Buku.