APA-čujuhus (7. p.)

(1997). An Act to Designate the J. Phil Campbell, Senior, Natural Resource Conservation Center.

Chicago-čujuhus (17. p.)

An Act to Designate the J. Phil Campbell, Senior, Natural Resource Conservation Center. 1997.

MLA-čujuhus (9. p.)

An Act to Designate the J. Phil Campbell, Senior, Natural Resource Conservation Center. 1997.

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