APA (7th ed.) Citation

Mohd Isa, H. (2005). The Butterworth microstrip hairpin filter / Hartini Mohd Isa.

Chicago Style (17th ed.) Citation

Mohd Isa, Hartini. The Butterworth Microstrip Hairpin Filter / Hartini Mohd Isa. 2005.

MLA (8th ed.) Citation

Mohd Isa, Hartini. The Butterworth Microstrip Hairpin Filter / Hartini Mohd Isa. 2005.

Warning: These citations may not always be 100% accurate.