APA Style
Murphy, Elspeth Campbell. ().
The Birthday Present Mystery .
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.
Chicago Style
Murphy, Elspeth Campbell.
The Birthday Present Mystery.
:
,
.
Text.
MLA Style
Murphy, Elspeth Campbell.
The Birthday Present Mystery.
:
,
.
Text.
Turabian Style
Murphy, Elspeth Campbell.
The Birthday Present Mystery.
:
,
.
Print.