APA-čujuhus (7. p.)

Middleton, T., & Watson, G. J. (1968). A trick to catch the old one. Ernest Benn Limited.

Chicago-čujuhus (17. p.)

Middleton, Thomas, juo G. J. Watson. A Trick to Catch the Old One. London: Ernest Benn Limited, 1968.

MLA-čujuhus (9. p.)

Middleton, Thomas, juo G. J. Watson. A Trick to Catch the Old One. Ernest Benn Limited, 1968.

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