APA
Morris T., Morris N., Levy R. & Cowne J. (2007). dinosaurs. london: sea-to-sea.
Chicago
Morris Tim, Morris Neil, Levy Ruth and Cowne Joanne. 2007. dinosaurs. london: sea-to-sea.
Harvard
Morris T., Morris N., Levy R. and Cowne J. (2007). dinosaurs. london: sea-to-sea.
MLA
Morris Tim, Morris Neil, Levy Ruth and Cowne Joanne. dinosaurs. london: sea-to-sea. 2007.
