APA
Hibberd P., Merrifield D., Taylor A., Royal Institution of Chartered Surveyors & Polytechic of Wales Department of Property and Development Studies. (1990). Key factors in contractual relationships. London: RICS.
Chicago
Hibberd Peter, Merrifield Donald, Taylor Andrew, Royal Institution of Chartered Surveyors and Polytechic of Wales Department of Property and Development Studies. 1990. Key factors in contractual relationships. London: RICS.
Harvard
Hibberd P., Merrifield D., Taylor A., Royal Institution of Chartered Surveyors and Polytechic of Wales Department of Property and Development Studies. (1990). Key factors in contractual relationships. London: RICS.
MLA
Hibberd Peter, Merrifield Donald, Taylor Andrew, Royal Institution of Chartered Surveyors and Polytechic of Wales Department of Property and Development Studies. Key factors in contractual relationships. London: RICS. 1990.