Gaya APA

cross, N. (2021). Engineering design methods: strategies for product design (Fifth edition.). USA: Wiley-Blackwell, John Wiley & Sons, Ltd., Hoboken.

Gaya MLA

cross, Nigel. "Engineering design methods: strategies for product design". Fifth edition. USA: Wiley-Blackwell, John Wiley & Sons, Ltd., Hoboken, 2021. Buku.