Gaya APA

A fourth crossword puzzle book. (1971). tempaterbit: penerbit.

Gaya Chicago

A fourth crossword puzzle book. Edisi. tempaterbit: penerbit, 1971. Text.

Gaya MLA

A fourth crossword puzzle book. Edisi. tempaterbit: penerbit, 1971. Text.

Gaya Turabian

A fourth crossword puzzle book. tempaterbit: penerbit, 1971. Print.