Dyfyniad APA

Esto, R. (1990). Book of riddles for students & professionals. R.E. Books Marketing.

Dyfyniad Arddull Chicago

Esto, Rey. Book of Riddles for Students & Professionals. [S.l.]: R.E. Books Marketing, 1990.

Dyfyniad MLA

Esto, Rey. Book of Riddles for Students & Professionals. R.E. Books Marketing, 1990.

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