APA (7th ed.) Citation

Martel, Y. (2017). Pegunungan Tinggi Portugal. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Martel, Yann. Pegunungan Tinggi Portugal. Gramedia Pustaka Utama, 2017.

MLA (8th ed.) Citation

Martel, Yann. Pegunungan Tinggi Portugal. Gramedia Pustaka Utama, 2017.

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