General Certificate of Secondary Education & Suffolk County Council. (1987). Co-ordinated science lesson notes: Biology. Collins Educational.
Citação do estilo Chicago (17ª ed.)General Certificate of Secondary Education e Suffolk County Council. Co-ordinated Science Lesson Notes: Biology. London: Collins Educational, 1987.
Citação MLA (9ª ed.)General Certificate of Secondary Education e Suffolk County Council. Co-ordinated Science Lesson Notes: Biology. Collins Educational, 1987.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.