Cita APA (7a ed.)

Brunei Curriculum Development Department & Roberts, O. S. (1994). Secondary geography for Brunei Darussalam ([Lower secondary schools], first publ. 1993, repr.). Macmillan.

Cita Chicago Style (17a ed.)

Brunei Curriculum Development Department y O. S. Roberts. Secondary Geography for Brunei Darussalam. [Lower secondary schools], first publ. 1993, repr. London Basingstoke: Macmillan, 1994.

Cita MLA (9a ed.)

Brunei Curriculum Development Department y O. S. Roberts. Secondary Geography for Brunei Darussalam. [Lower secondary schools], first publ. 1993, repr. Macmillan, 1994.