APA-referens (7:e uppl.)

Philippines (Republic). National Economic Council. Four year development plan 1972-75. Inter Documentation Company.

Chicago-referens (17:e uppl.)

Philippines (Republic). National Economic Council. Four Year Development Plan 1972-75. Switzerland: Inter Documentation Company.

MLA-referens (9:e uppl.)

Philippines (Republic). National Economic Council. Four Year Development Plan 1972-75. Inter Documentation Company.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.