参考 (cān kǎo): To consult (Verb) — Meaning & Stroke Order

Please refer to this book.

I referred to online materials when doing my homework.

He revised the plan without consulting my ideas at all.

I consulted the weather forecast, so I brought an umbrella when I went out.

Before making the plan, we need to consider everyone's opinions.

While writing the report, he both referred to historical documents and incorporated the latest research.