APA Style
Bulloch, John, Regan, Geoffrey. ().
The Guinness Book of Navel blunders .
:
.
Chicago Style
Bulloch, John, Regan, Geoffrey.
The Guinness Book of Navel blunders.
:
,
.
.
MLA Style
Bulloch, John, Regan, Geoffrey.
The Guinness Book of Navel blunders.
:
,
.
.
Turabian Style
Bulloch, John, Regan, Geoffrey.
The Guinness Book of Navel blunders.
:
,
.
.