APA Style
ROBERTSON, Patrick. (1975).
The shell book of firsts .
London:
Ebury Press and Michael Joseph.
Chicago Style
ROBERTSON, Patrick.
The shell book of firsts.
London:
Ebury Press and Michael Joseph,
1975.
Sejarah.
MLA Style
ROBERTSON, Patrick.
The shell book of firsts.
London:
Ebury Press and Michael Joseph,
1975.
Sejarah.
Turabian Style
ROBERTSON, Patrick.
The shell book of firsts.
London:
Ebury Press and Michael Joseph,
1975.
Sejarah.