Dyfyniad APA

HUBBARD, L. R. (2007). Advanced procedure and axioms. Bridge Publication, Inc.

Dyfyniad Arddull Chicago

HUBBARD, L. Ron. Advanced Procedure and Axioms. California: Bridge Publication, Inc, 2007.

Dyfyniad MLA

HUBBARD, L. Ron. Advanced Procedure and Axioms. Bridge Publication, Inc, 2007.

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