APA

Alegre H. C., De Asis P. E. D. G., Gabuat M. A. P. & Vibal Group. (2023). A visual guide to Philippine geography. Quezon City: Vibal Group, Inc.

Chicago

Alegre Hamlita C, De Asis Phoebe Emmanuelle D G, Gabuat Maria Annalyn P and Vibal Group. 2023. A visual guide to Philippine geography. Quezon City: Vibal Group, Inc.

Harvard

Alegre H. C., De Asis P. E. D. G., Gabuat M. A. P. and Vibal Group. (2023). A visual guide to Philippine geography. Quezon City: Vibal Group, Inc.

MLA

Alegre Hamlita C, De Asis Phoebe Emmanuelle D G, Gabuat Maria Annalyn P and Vibal Group. A visual guide to Philippine geography. Quezon City: Vibal Group, Inc. 2023.