Tohutoro APA (7th ed.)
EMERSON, E., & ET AL. (1999). PREDICTING VARIATION IN QUALITY AND COSTS. HESTER ADRIAN RESEARCH CENTRE.
Tohutoru Kātū Chicago (17th ed.)
EMERSON, E., me ET AL. PREDICTING VARIATION IN QUALITY AND COSTS. MANCHESTER: HESTER ADRIAN RESEARCH CENTRE, 1999.
Tohutoro MLA (9th ed.)
EMERSON, E., me ET AL. PREDICTING VARIATION IN QUALITY AND COSTS. HESTER ADRIAN RESEARCH CENTRE, 1999.
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