Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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