Women as engineers: Engineering is essential to health, happiness and safety. Philippine star.
Chicago-viite (17. p.)"Women as Engineers: Engineering Is Essential to Health, Happiness and Safety." Philippine Star .
MLA-viite (9. p.)"Women as Engineers: Engineering Is Essential to Health, Happiness and Safety." Philippine Star, .
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.